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10512669312 = 27329125581
BaseRepresentation
bin10011100101001101…
…01001101010000000
31000010122102221012200
421302212221222000
5133012220404222
64455054553200
7521341133445
oct116246515200
930118387180
1010512669312
114505145062
122054808800
13cb6c8a0b2
1471a2959cc
15417dc9eac
hex2729a9a80

10512669312 has 48 divisors (see below), whose sum is σ = 30251304330. Its totient is φ = 3504222720.

The previous prime is 10512669311. The next prime is 10512669313. The reversal of 10512669312 is 21396621501.

It is an interprime number because it is at equal distance from previous prime (10512669311) and next prime (10512669313).

It can be written as a sum of positive squares in only one way, i.e., 7594076736 + 2918592576 = 87144^2 + 54024^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×105126693122 (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (10512669311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4561639 + ... + 4563942.

Almost surely, 210512669312 is an apocalyptic number.

10512669312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10512669312 is an abundant number, since it is smaller than the sum of its proper divisors (19738635018).

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

10512669312 is an equidigital number, since it uses as much as digits as its factorization.

10512669312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9125601 (or 9125586 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 10512669312 in words is "ten billion, five hundred twelve million, six hundred sixty-nine thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 9125581 18251162 27376743 36502324 54753486 73004648 82130229 109506972 146009296 164260458 219013944 292018592 328520916 438027888 584037184 657041832 876055776 1168074368 1314083664 1752111552 2628167328 3504223104 5256334656 10512669312