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74601950639 = 1912831380163
BaseRepresentation
bin100010101111010011…
…1110110110110101111
321010120010201202100212
41011132213312312233
52210241044410024
654134402413035
75250464055236
oct1053647666657
9233503652325
1074601950639
1129702946767
121256006117b
13705b998778
143879c9db1d
151e1963ba0e
hex115e9f6daf

74601950639 has 8 divisors (see below), whose sum is σ = 75257582592. Its totient is φ = 73949079960.

The previous prime is 74601950623. The next prime is 74601950651. The reversal of 74601950639 is 93605910647.

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

It is a cyclic number.

It is not a de Polignac number, because 74601950639 - 24 = 74601950623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74601952639) 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, 636029 + ... + 744134.

It is an arithmetic number, because the mean of its divisors is an integer number (9407197824).

Almost surely, 274601950639 is an apocalyptic number.

74601950639 is a deficient number, since it is larger than the sum of its proper divisors (655631953).

74601950639 is a wasteful number, since it uses less digits than its factorization.

74601950639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380637.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 74601950639 in words is "seventy-four billion, six hundred one million, nine hundred fifty thousand, six hundred thirty-nine".

Divisors: 1 191 283 54053 1380163 263611133 390586129 74601950639