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13147532492 = 223788834679
BaseRepresentation
bin11000011111010011…
…10110110011001100
31020221021101211222212
430033221312303030
5203411232014432
610012341125552
7643544116343
oct141751666314
936837354885
1013147532492
115637491836
12266b0b98b8
131316b18733
148ca1b0b5a
1551e3952b2
hex30fa76ccc

13147532492 has 12 divisors (see below), whose sum is σ = 23630024880. Its totient is φ = 6396096816.

The previous prime is 13147532491. The next prime is 13147532501. The reversal of 13147532492 is 29423574131.

It is a super-2 number, since 2×131475324922 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13147532491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44417192 + ... + 44417487.

It is an arithmetic number, because the mean of its divisors is an integer number (1969168740).

Almost surely, 213147532492 is an apocalyptic number.

It is an amenable number.

13147532492 is a deficient number, since it is larger than the sum of its proper divisors (10482492388).

13147532492 is a wasteful number, since it uses less digits than its factorization.

13147532492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88834720 (or 88834718 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The spelling of 13147532492 in words is "thirteen billion, one hundred forty-seven million, five hundred thirty-two thousand, four hundred ninety-two".

Divisors: 1 2 4 37 74 148 88834679 177669358 355338716 3286883123 6573766246 13147532492