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69872134060 = 22519183874037
BaseRepresentation
bin100000100010010110…
…1000010011110101100
320200100111202011210001
41001010231002132230
52121044231242220
652033202154044
75022332224441
oct1010455023654
9220314664701
1069872134060
11276a5aa8543
1211660052924
136786ac8331
14354ba4d9c8
151c3e2a480a
hex1044b427ac

69872134060 has 24 divisors (see below), whose sum is σ = 154454191920. Its totient is φ = 26477861184.

The previous prime is 69872134051. The next prime is 69872134067. The reversal of 69872134060 is 6043127896.

It is a super-2 number, since 2×698721340602 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69872134060.

It is not an unprimeable number, because it can be changed into a prime (69872134067) 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, 91936639 + ... + 91937398.

It is an arithmetic number, because the mean of its divisors is an integer number (6435591330).

Almost surely, 269872134060 is an apocalyptic number.

It is an amenable number.

69872134060 is an abundant number, since it is smaller than the sum of its proper divisors (84582057860).

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

69872134060 is a wasteful number, since it uses less digits than its factorization.

69872134060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183874065 (or 183874063 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 69872134060 in words is "sixty-nine billion, eight hundred seventy-two million, one hundred thirty-four thousand, sixty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 183874037 367748074 735496148 919370185 1838740370 3493606703 3677480740 6987213406 13974426812 17468033515 34936067030 69872134060