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38402673156 = 22361921912
BaseRepresentation
bin100011110000111110…
…100100101000000100
310200010100101221000000
4203300332210220010
51112122041020111
625350354321300
72526440223141
oct436076445004
9120110357000
1038402673156
1115317342811
127538b89230
133810174453
141c043b13c8
15eeb664c56
hex8f0fa4a04

38402673156 has 189 divisors, whose sum is σ = 106902931863. Its totient is φ = 12063666960.

The previous prime is 38402673149. The next prime is 38402673157. The reversal of 38402673156 is 65137620483.

The square root of 38402673156 is 195966.

It is a perfect power (a square), and thus also a powerful number.

38402673156 is a `hidden beast` number, since 38 + 40 + 267 + 315 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (38402673157) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 201061021 + ... + 201061211.

Almost surely, 238402673156 is an apocalyptic number.

38402673156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

38402673156 is the 195966-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38402673156

38402673156 is an abundant number, since it is smaller than the sum of its proper divisors (68500258707).

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

38402673156 is an equidigital number, since it uses as much as digits as its factorization.

38402673156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 38402673156 in words is "thirty-eight billion, four hundred two million, six hundred seventy-three thousand, one hundred fifty-six".