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69808284276 = 2235817357023
BaseRepresentation
bin100000100000011100…
…1011110001001110100
320200012001121021100020
41001000321132021310
52120431410044101
652023001445140
75020625424453
oct1010071361164
9220161537306
1069808284276
1127672a58225
12116427a07b0
136776800cb3
14354338cb9a
151c38891136
hex1040e5e274

69808284276 has 12 divisors (see below), whose sum is σ = 162885996672. Its totient is φ = 23269428088.

The previous prime is 69808284229. The next prime is 69808284311. The reversal of 69808284276 is 67248280896.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2908678500 + ... + 2908678523.

It is an arithmetic number, because the mean of its divisors is an integer number (13573833056).

Almost surely, 269808284276 is an apocalyptic number.

It is an amenable number.

69808284276 is an abundant number, since it is smaller than the sum of its proper divisors (93077712396).

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

69808284276 is a wasteful number, since it uses less digits than its factorization.

69808284276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5817357030 (or 5817357028 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 60.

The spelling of 69808284276 in words is "sixty-nine billion, eight hundred eight million, two hundred eighty-four thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 12 5817357023 11634714046 17452071069 23269428092 34904142138 69808284276