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30244222321012 = 2271727989531581
BaseRepresentation
bin1101110000001110010000…
…01000001100000101110100
310222002022121212002010000201
412320013020020030011310
512431010131403233022
6144154000503050244
76241034011021630
oct670071010140564
9128068555063021
1030244222321012
119700559042597
123485648a40984
1313b503050337b
14767b84701dc0
15376ac5773127
hex1b81c820c174

30244222321012 has 144 divisors (see below), whose sum is σ = 65800495756800. Its totient is φ = 11909569351680.

The previous prime is 30244222320973. The next prime is 30244222321021. The reversal of 30244222321012 is 21012322244203.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56629062 + ... + 57160642.

It is an arithmetic number, because the mean of its divisors is an integer number (456947887200).

Almost surely, 230244222321012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30244222321012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32900247878400).

30244222321012 is an abundant number, since it is smaller than the sum of its proper divisors (35556273435788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30244222321012 is a wasteful number, since it uses less digits than its factorization.

30244222321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531794 (or 531775 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 30244222321012 its reverse (21012322244203), we get a palindrome (51256544565215).

The spelling of 30244222321012 in words is "thirty trillion, two hundred forty-four billion, two hundred twenty-two million, three hundred twenty-one thousand, twelve".

Divisors: 1 2 4 7 14 17 28 34 68 79 89 119 158 178 238 289 316 356 476 553 578 623 1106 1156 1246 1343 1513 2023 2212 2492 2686 3026 4046 5372 6052 7031 8092 9401 10591 14062 18802 21182 22831 25721 28124 37604 42364 45662 49217 51442 91324 98434 102884 119527 159817 180047 196868 239054 319634 360094 478108 531581 639268 720188 836689 1063162 1673378 2031959 2126324 3346756 3721067 4063918 7442134 8127836 9036877 14223713 14884268 18073754 28447426 36147508 41994899 47310709 56894852 63258139 83989798 94621418 126516278 153626909 167979596 189242836 253032556 293964293 307253818 331174963 587928586 614507636 662349926 713913283 804282053 1075388363 1175857172 1324699852 1427826566 1608564106 2150776726 2855653132 3217128212 3737546011 4301553452 4997392981 5629974371 7475092022 9994785962 11259948742 12136525811 13672794901 14950184044 19989571924 22519897484 24273051622 26162822077 27345589802 48546103244 52325644154 54691179604 63538282187 84955680677 95709564307 104651288308 127076564374 169911361354 191419128614 254153128748 339822722708 382838257228 444767975309 889535950618 1080150797179 1779071901236 2160301594358 4320603188716 7561055580253 15122111160506 30244222321012