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38317465040 = 245598118107
BaseRepresentation
bin100011101011111001…
…100001110111010000
310122220102001220102212
4203223321201313100
51111433232340130
625334112131252
72524354036031
oct435371416720
9118812056385
1038317465040
1115283234688
127514536b28
1337c860c64a
141bd6d50a88
15ee3e32e95
hex8ebe61dd0

38317465040 has 40 divisors (see below), whose sum is σ = 90598085280. Its totient is φ = 15067204736.

The previous prime is 38317465003. The next prime is 38317465063. The reversal of 38317465040 is 4056471383.

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

It is a tetranacci number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4054334 + ... + 4063773.

It is an arithmetic number, because the mean of its divisors is an integer number (2264952132).

Almost surely, 238317465040 is an apocalyptic number.

It is an amenable number.

38317465040 is an abundant number, since it is smaller than the sum of its proper divisors (52280620240).

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

38317465040 is a wasteful number, since it uses less digits than its factorization.

38317465040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8118179 (or 8118173 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 38317465040 in words is "thirty-eight billion, three hundred seventeen million, four hundred sixty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 59 80 118 236 295 472 590 944 1180 2360 4720 8118107 16236214 32472428 40590535 64944856 81181070 129889712 162362140 324724280 478968313 649448560 957936626 1915873252 2394841565 3831746504 4789683130 7663493008 9579366260 19158732520 38317465040