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49939660800 = 2143252192331
BaseRepresentation
bin101110100000101000…
…101100000000000000
311202220101021121210200
4232200220230000000
51304234023121200
634535244125200
73415360053501
oct564050540000
9152811247720
1049939660800
111a1a7700347
129818836800
13492b404563
1425ba704ba8
151474426800
hexba0a2c000

49939660800 has 1080 divisors, whose sum is σ = 202830351360. Its totient is φ = 11678515200.

The previous prime is 49939660789. The next prime is 49939660817. The reversal of 49939660800 is 806693994.

It is a happy number.

49939660800 is a `hidden beast` number, since 499 + 3 + 96 + 60 + 8 + 0 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1610956785 + ... + 1610956815.

Almost surely, 249939660800 is an apocalyptic number.

49939660800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49939660800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101415175680).

49939660800 is an abundant number, since it is smaller than the sum of its proper divisors (152890690560).

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

49939660800 is a wasteful number, since it uses less digits than its factorization.

49939660800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 49939660800 in words is "forty-nine billion, nine hundred thirty-nine million, six hundred sixty thousand, eight hundred".