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102120303330 = 23252953997247
BaseRepresentation
bin101111100011011011…
…0000010101011100010
3100202120221100220121200
41133012312002223202
53133120244201310
6114525144302030
710243431153603
oct1370666025342
9322527326550
10102120303330
113a344281401
121795ba71916
139825b88ab6
144d2a8b3daa
1529ca4629c0
hex17c6d82ae2

102120303330 has 96 divisors (see below), whose sum is σ = 274757184000. Its totient is φ = 26284546176.

The previous prime is 102120303319. The next prime is 102120303367. The reversal of 102120303330 is 33303021201.

102120303330 is a `hidden beast` number, since 10 + 2 + 1 + 20 + 303 + 330 = 666.

It is a super-2 number, since 2×1021203033302 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 14087767 + ... + 14095013.

It is an arithmetic number, because the mean of its divisors is an integer number (2862054000).

Almost surely, 2102120303330 is an apocalyptic number.

102120303330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102120303330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137378592000).

102120303330 is an abundant number, since it is smaller than the sum of its proper divisors (172636880670).

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

102120303330 is a wasteful number, since it uses less digits than its factorization.

102120303330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12688 (or 12685 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 102120303330 its reverse (33303021201), we get a palindrome (135423324531).

It can be divided in two parts, 102120 and 303330, that added together give a triangular number (405450 = T900).

The spelling of 102120303330 in words is "one hundred two billion, one hundred twenty million, three hundred three thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 29 30 45 58 87 90 145 174 261 290 435 522 870 1305 2610 5399 7247 10798 14494 16197 21741 26995 32394 36235 43482 48591 53990 65223 72470 80985 97182 108705 130446 156571 161970 210163 217410 242955 313142 326115 420326 469713 485910 630489 652230 782855 939426 1050815 1260978 1409139 1565710 1891467 2101630 2348565 2818278 3152445 3782934 4697130 6304890 7045695 9457335 14091390 18914670 39126553 78253106 117379659 195632765 234759318 352138977 391265530 586898295 704277954 1134670037 1173796590 1760694885 2269340074 3404010111 3521389770 5673350185 6808020222 10212030333 11346700370 17020050555 20424060666 34040101110 51060151665 102120303330