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74707677140 = 2253735383857
BaseRepresentation
bin100010110010011101…
…1001010111111010100
321010211111200012212012
41011210323022333110
52211000131132030
654153100443352
75253216530615
oct1054473127724
9233744605765
1074707677140
1129757599638
121258b549558
137077865925
143889d41c0c
151e23a73095
hex1164ecafd4

74707677140 has 12 divisors (see below), whose sum is σ = 156886122036. Its totient is φ = 29883070848.

The previous prime is 74707677103. The next prime is 74707677173. The reversal of 74707677140 is 4177670747.

It can be written as a sum of positive squares in 2 ways, for example, as 47578951876 + 27128725264 = 218126^2 + 164708^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1867691909 + ... + 1867691948.

It is an arithmetic number, because the mean of its divisors is an integer number (13073843503).

Almost surely, 274707677140 is an apocalyptic number.

It is an amenable number.

74707677140 is an abundant number, since it is smaller than the sum of its proper divisors (82178444896).

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

74707677140 is a wasteful number, since it uses less digits than its factorization.

74707677140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735383866 (or 3735383864 counting only the distinct ones).

The product of its (nonzero) digits is 1613472, while the sum is 50.

The spelling of 74707677140 in words is "seventy-four billion, seven hundred seven million, six hundred seventy-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 3735383857 7470767714 14941535428 18676919285 37353838570 74707677140