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74010139268 = 221317412041997
BaseRepresentation
bin100010011101101011…
…0010001101010000100
321002000220010121210012
41010323112101222010
52203033043424033
653555542045352
75230016542532
oct1047326215204
9232026117705
1074010139268
112942988105a
1212415a19858
136c961a9120
143821449152
151dd26da248
hex113b591a84

74010139268 has 48 divisors (see below), whose sum is σ = 151287547824. Its totient is φ = 31365058560.

The previous prime is 74010139261. The next prime is 74010139331. The reversal of 74010139268 is 86293101047.

It can be written as a sum of positive squares in 8 ways, for example, as 676416064 + 73333723204 = 26008^2 + 270802^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (74010139261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 984755 + ... + 1057242.

It is an arithmetic number, because the mean of its divisors is an integer number (3151823913).

Almost surely, 274010139268 is an apocalyptic number.

It is an amenable number.

74010139268 is an abundant number, since it is smaller than the sum of its proper divisors (77277408556).

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

74010139268 is a wasteful number, since it uses less digits than its factorization.

74010139268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042072 (or 2042070 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 74010139268 in words is "seventy-four billion, ten million, one hundred thirty-nine thousand, two hundred sixty-eight".

Divisors: 1 2 4 13 17 26 34 41 52 68 82 164 221 442 533 697 884 1066 1394 2132 2788 9061 18122 36244 2041997 4083994 8167988 26545961 34713949 53091922 69427898 83721877 106183844 138855796 167443754 334887508 451281337 902562674 1088384401 1423271909 1805125348 2176768802 2846543818 4353537604 5693087636 18502534817 37005069634 74010139268