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131487272904080 = 2454329137966111
BaseRepresentation
bin11101111001011001000100…
…001100011010010110010000
3122020120001122010100222001102
4131321121010030122112100
5114213241413330412310
61143352230321523532
736460433124620222
oct3571310414322620
9566501563328042
10131487272904080
1138994491763025
12128b71457a35a8
13584a272ccb6b2
14246803741c412
15103044444b8a5
hex77964431a590

131487272904080 has 40 divisors (see below), whose sum is σ = 305714979250944. Its totient is φ = 52593692860800.

The previous prime is 131487272904079. The next prime is 131487272904131. The reversal of 131487272904080 is 80409272784131.

It is a tau number, because it is divible by the number of its divisors (40).

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, 15519776 + ... + 22446335.

Almost surely, 2131487272904080 is an apocalyptic number.

131487272904080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131487272904080 is an abundant number, since it is smaller than the sum of its proper divisors (174227706346864).

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

131487272904080 is a wasteful number, since it uses less digits than its factorization.

131487272904080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38009415 (or 38009409 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 131487272904080 in words is "one hundred thirty-one trillion, four hundred eighty-seven billion, two hundred seventy-two million, nine hundred four thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 43291 86582 173164 216455 346328 432910 692656 865820 1731640 3463280 37966111 75932222 151864444 189830555 303728888 379661110 607457776 759322220 1518644440 3037288880 1643590911301 3287181822602 6574363645204 8217954556505 13148727290408 16435909113010 26297454580816 32871818226020 65743636452040 131487272904080