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30332123112 = 233172412511229
BaseRepresentation
bin11100001111111011…
…110111011111101000
32220021220020111122010
4130033323313133220
5444110010414422
621533454355520
72122441535544
oct341773673750
986256214563
1030332123112
1111955769045
125a661bbba0
132b2512c355
14167a5c0a24
15bc7d80b0c
hex70fef77e8

30332123112 has 128 divisors (see below), whose sum is σ = 81011145600. Its totient is φ = 9431040000.

The previous prime is 30332123099. The next prime is 30332123119. The reversal of 30332123112 is 21132123303.

It is not an unprimeable number, because it can be changed into a prime (30332123119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24679714 + ... + 24680942.

It is an arithmetic number, because the mean of its divisors is an integer number (632899575).

Almost surely, 230332123112 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 30332123112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40505572800).

30332123112 is an abundant number, since it is smaller than the sum of its proper divisors (50679022488).

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

30332123112 is a wasteful number, since it uses less digits than its factorization.

30332123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747 (or 1743 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30332123112 its reverse (21132123303), we get a palindrome (51464246415).

The spelling of 30332123112 in words is "thirty billion, three hundred thirty-two million, one hundred twenty-three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 241 251 408 482 502 723 753 964 1004 1229 1446 1506 1928 2008 2458 2892 3012 3687 4097 4267 4916 5784 6024 7374 8194 8534 9832 12291 12801 14748 16388 17068 20893 24582 25602 29496 32776 34136 41786 49164 51204 60491 62679 83572 98328 102408 120982 125358 167144 181473 241964 250716 296189 308479 362946 483928 501432 592378 616958 725892 888567 925437 1028347 1184756 1233916 1451784 1777134 1850874 2056694 2369512 2467832 3085041 3554268 3701748 4113388 5035213 5244143 6170082 7108536 7403496 8226776 10070426 10488286 12340164 15105639 15732429 20140852 20976572 24680328 30211278 31464858 40281704 41953144 60422556 62929716 74343439 120845112 125859432 148686878 223030317 297373756 446060634 594747512 892121268 1263838463 1784242536 2527676926 3791515389 5055353852 7583030778 10110707704 15166061556 30332123112