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30332121132 = 22319597732917
BaseRepresentation
bin11100001111111011…
…110111000000101100
32220021220020101220210
4130033323313000230
5444110010334012
621533454342420
72122441530015
oct341773670054
986256211823
1030332121132
1111955767605
125a661baa10
132b2512b491
14167a5c000c
15bc7d8023c
hex70fef702c

30332121132 has 96 divisors (see below), whose sum is σ = 75886675200. Its totient is φ = 9400810752.

The previous prime is 30332121121. The next prime is 30332121137. The reversal of 30332121132 is 23112123303.

It is a super-2 number, since 2×303321211322 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30332121099 and 30332121108.

It is not an unprimeable number, because it can be changed into a prime (30332121137) 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, 10396938 + ... + 10399854.

It is an arithmetic number, because the mean of its divisors is an integer number (790486200).

Almost surely, 230332121132 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 30332121132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37943337600).

30332121132 is an abundant number, since it is smaller than the sum of its proper divisors (45554554068).

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

30332121132 is a wasteful number, since it uses less digits than its factorization.

30332121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775 (or 3773 counting only the distinct ones).

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

Adding to 30332121132 its reverse (23112123303), we get a palindrome (53444244435).

The spelling of 30332121132 in words is "thirty billion, three hundred thirty-two million, one hundred twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 19 38 57 59 76 114 118 177 228 236 354 708 773 1121 1546 2242 2319 2917 3092 3363 4484 4638 5834 6726 8751 9276 11668 13452 14687 17502 29374 35004 44061 45607 55423 58748 88122 91214 110846 136821 166269 172103 176244 182428 221692 273642 332538 344206 516309 547284 665076 688412 866533 1032618 1733066 2065236 2254841 2599599 3269957 3466132 4509682 5199198 6539914 6764523 9019364 9809871 10398396 13079828 13529046 19619742 27058092 39239484 42841979 85683958 128525937 133035619 171367916 257051874 266071238 399106857 514103748 532142476 798213714 1596427428 2527676761 5055353522 7583030283 10110707044 15166060566 30332121132