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13011012 = 2232751631
BaseRepresentation
bin110001101000…
…100001000100
3220111000202100
4301220201010
511312323022
61142512100
7215406660
oct61504104
926430670
1013011012
117387403
124435630
132907231
141a298a0
1512201ac
hexc68844

13011012 has 36 divisors (see below), whose sum is σ = 37588096. Its totient is φ = 3717360.

The previous prime is 13011007. The next prime is 13011059. The reversal of 13011012 is 21011031.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 13010985 and 13011003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25564 + ... + 26067.

Almost surely, 213011012 is an apocalyptic number.

13011012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13011012 is an abundant number, since it is smaller than the sum of its proper divisors (24577084).

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

13011012 is a wasteful number, since it uses less digits than its factorization.

13011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51648 (or 51643 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 13011012 is about 3607.0780418505. The cubic root of 13011012 is about 235.1998420796.

Adding to 13011012 its reverse (21011031), we get a palindrome (34022043).

The spelling of 13011012 in words is "thirteen million, eleven thousand, twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 51631 103262 154893 206524 309786 361417 464679 619572 722834 929358 1084251 1445668 1858716 2168502 3252753 4337004 6505506 13011012