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131870047996 = 22312621405749
BaseRepresentation
bin111101011010000010…
…0010011111011111100
3110121101020202112012201
41322310010103323330
54130032213013441
6140325200441244
712345601625221
oct1726404237374
9417336675181
10131870047996
1150a20227945
1221683019224
13c58744c1cb
14654d9b7948
15366c106c31
hex1eb4113efc

131870047996 has 24 divisors (see below), whose sum is σ = 238308336000. Its totient is φ = 63783585600.

The previous prime is 131870047961. The next prime is 131870048021. The reversal of 131870047996 is 699740078131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122130 + ... + 527878.

It is an arithmetic number, because the mean of its divisors is an integer number (9929514000).

Almost surely, 2131870047996 is an apocalyptic number.

It is an amenable number.

131870047996 is a deficient number, since it is larger than the sum of its proper divisors (106438288004).

131870047996 is a wasteful number, since it uses less digits than its factorization.

131870047996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408405 (or 408403 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 55.

The spelling of 131870047996 in words is "one hundred thirty-one billion, eight hundred seventy million, forty-seven thousand, nine hundred ninety-six".

Divisors: 1 2 4 31 62 124 2621 5242 10484 81251 162502 325004 405749 811498 1622996 12578219 25156438 50312876 1063468129 2126936258 4253872516 32967511999 65935023998 131870047996