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72669027274 = 2193055362591
BaseRepresentation
bin100001110101101101…
…0010101101111001010
320221120102121001222121
41003223122111233022
52142311232333044
653214513241454
75151543353164
oct1035332255712
9227512531877
1072669027274
1128900853838
121210086328a
136b113a842c
1437352a5934
151d54ac8984
hex10eb695bca

72669027274 has 16 divisors (see below), whose sum is σ = 114746158080. Its totient is φ = 34420494240.

The previous prime is 72669027253. The next prime is 72669027289. The reversal of 72669027274 is 47272096627.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129719 + ... + 1192309.

It is an arithmetic number, because the mean of its divisors is an integer number (7171634880).

Almost surely, 272669027274 is an apocalyptic number.

72669027274 is a deficient number, since it is larger than the sum of its proper divisors (42077130806).

72669027274 is a wasteful number, since it uses less digits than its factorization.

72669027274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93165.

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 72669027274 in words is "seventy-two billion, six hundred sixty-nine million, twenty-seven thousand, two hundred seventy-four".

Divisors: 1 2 19 38 30553 61106 62591 125182 580507 1161014 1189229 2378458 1912342823 3824685646 36334513637 72669027274