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12803607152 = 247114317921
BaseRepresentation
bin10111110110010011…
…11000101001110000
31020001022020122010022
423323021320221300
5202210210412102
65514253423012
7632166602510
oct137311705160
936038218108
1012803607152
115480336616
122593a9aa68
1312907ab50b
14896645840
154ee0ab5a2
hex2fb278a70

12803607152 has 20 divisors (see below), whose sum is σ = 28350844656. Its totient is φ = 5487260160.

The previous prime is 12803607107. The next prime is 12803607161. The reversal of 12803607152 is 25170630821.

It is a happy number.

It is a super-2 number, since 2×128036071522 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57158849 + ... + 57159072.

Almost surely, 212803607152 is an apocalyptic number.

It is an amenable number.

12803607152 is an abundant number, since it is smaller than the sum of its proper divisors (15547237504).

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

12803607152 is a wasteful number, since it uses less digits than its factorization.

12803607152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114317936 (or 114317930 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 12803607152 in words is "twelve billion, eight hundred three million, six hundred seven thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 114317921 228635842 457271684 800225447 914543368 1600450894 1829086736 3200901788 6401803576 12803607152