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30251003222112 = 2538923091533397
BaseRepresentation
bin1101110000011010111000…
…10011010001100001100000
310222002222010102112120121220
412320031130103101201200
512431113023311101422
6144201041413215040
76241364026516611
oct670153423214140
9128088112476556
1030251003222112
119703418749992
123486a1b931480
1313b58712c5a9a
14768229107c08
15376d70c0de5c
hex1b835c4d1860

30251003222112 has 96 divisors (see below), whose sum is σ = 80335947938400. Its totient is φ = 9966043557888.

The previous prime is 30251003222093. The next prime is 30251003222119. The reversal of 30251003222112 is 21122230015203.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30251003222119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18961398 + ... + 20494794.

It is an arithmetic number, because the mean of its divisors is an integer number (836832791025).

Almost surely, 230251003222112 is an apocalyptic number.

30251003222112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30251003222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40167973969200).

30251003222112 is an abundant number, since it is smaller than the sum of its proper divisors (50084944716288).

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

30251003222112 is a wasteful number, since it uses less digits than its factorization.

30251003222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535808 (or 1535800 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 30251003222112 its reverse (21122230015203), we get a palindrome (51373233237315).

The spelling of 30251003222112 in words is "thirty trillion, two hundred fifty-one billion, three million, two hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 89 96 178 267 356 534 712 1068 1424 2136 2309 2848 4272 4618 6927 8544 9236 13854 18472 27708 36944 55416 73888 110832 205501 221664 411002 616503 822004 1233006 1533397 1644008 2466012 3066794 3288016 4600191 4932024 6133588 6576032 9200382 9864048 12267176 18400764 19728096 24534352 36801528 49068704 73603056 136472333 147206112 272944666 409416999 545889332 818833998 1091778664 1637667996 2183557328 3275335992 3540613673 4367114656 6550671984 7081227346 10621841019 13101343968 14162454692 21243682038 28324909384 42487364076 56649818768 84974728152 113299637536 169949456304 315114616897 339898912608 630229233794 945343850691 1260458467588 1890687701382 2520916935176 3781375402764 5041833870352 7562750805528 10083667740704 15125501611056 30251003222112