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139476072897 = 3272213905919
BaseRepresentation
bin1000000111100101101…
…0111111100111000001
3111100000022211121212200
42001321122333213001
54241121333313042
6144024024143413
713035230026020
oct2017132774701
9440008747780
10139476072897
1154173674a37
1223046307b69
13101ca180165
146a71c088b7
153964c2dc4c
hex20796bf9c1

139476072897 has 12 divisors (see below), whose sum is σ = 230246215680. Its totient is φ = 79700613048.

The previous prime is 139476072889. The next prime is 139476072907. The reversal of 139476072897 is 798270674931.

139476072897 is a `hidden beast` number, since 1 + 3 + 9 + 476 + 0 + 72 + 8 + 97 = 666.

It is not a de Polignac number, because 139476072897 - 23 = 139476072889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 2213905919 = 139476072897 / (1 + 3 + 9 + 4 + 7 + 6 + 0 + 7 + 2 + 8 + 9 + 7).

It is not an unprimeable number, because it can be changed into a prime (139476072997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1106952897 + ... + 1106953022.

It is an arithmetic number, because the mean of its divisors is an integer number (19187184640).

Almost surely, 2139476072897 is an apocalyptic number.

It is an amenable number.

139476072897 is a deficient number, since it is larger than the sum of its proper divisors (90770142783).

139476072897 is a wasteful number, since it uses less digits than its factorization.

139476072897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213905932 (or 2213905929 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 63.

The spelling of 139476072897 in words is "one hundred thirty-nine billion, four hundred seventy-six million, seventy-two thousand, eight hundred ninety-seven".

Divisors: 1 3 7 9 21 63 2213905919 6641717757 15497341433 19925153271 46492024299 139476072897