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38507361897 = 315781756607
BaseRepresentation
bin100011110111001101…
…111011011001101001
310200101122101122221210
4203313031323121221
51112330341040042
625405014223333
72532151114134
oct436715733151
9120348348853
1038507361897
1115370446a34
127568054b49
133828a6a154
141c1426321b
151005943a9c
hex8f737b669

38507361897 has 8 divisors (see below), whose sum is σ = 51670176256. Its totient is φ = 25508061072.

The previous prime is 38507361887. The next prime is 38507361913. The reversal of 38507361897 is 79816370583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38507361897 - 24 = 38507361881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38507361857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40877833 + ... + 40878774.

It is an arithmetic number, because the mean of its divisors is an integer number (6458772032).

Almost surely, 238507361897 is an apocalyptic number.

It is an amenable number.

38507361897 is a deficient number, since it is larger than the sum of its proper divisors (13162814359).

38507361897 is a wasteful number, since it uses less digits than its factorization.

38507361897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81756767.

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 38507361897 in words is "thirty-eight billion, five hundred seven million, three hundred sixty-one thousand, eight hundred ninety-seven".

Divisors: 1 3 157 471 81756607 245269821 12835787299 38507361897