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12851653696 = 2672353101233
BaseRepresentation
bin10111111100000010…
…01010110001000000
31020011122122122120221
423332001022301000
5202310010404241
65523131312424
7633322153060
oct137601126100
936148578527
1012851653696
1154a5472702
1225a7bab714
13129a73171b
1489cb913a0
155033ec5d1
hex2fe04ac40

12851653696 has 224 divisors, whose sum is σ = 31427854848. Its totient is φ = 5095833600.

The previous prime is 12851653649. The next prime is 12851653747. The reversal of 12851653696 is 69635615821.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55157196 + ... + 55157428.

Almost surely, 212851653696 is an apocalyptic number.

12851653696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12851653696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15713927424).

12851653696 is an abundant number, since it is smaller than the sum of its proper divisors (18576201152).

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

12851653696 is a wasteful number, since it uses less digits than its factorization.

12851653696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 419 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 52.

The spelling of 12851653696 in words is "twelve billion, eight hundred fifty-one million, six hundred fifty-three thousand, six hundred ninety-six".