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12156469248 = 2163711273
BaseRepresentation
bin10110101001001010…
…10000000000000000
31011101012112121210210
423110211100000000
5144344024003443
65330135154120
7610151166210
oct132445200000
934335477723
1012156469248
115179012300
122433215940
1311b96ba191
1483470c240
154b237bc33
hex2d4950000

12156469248 has 408 divisors, whose sum is σ = 41280025024. Its totient is φ = 3114270720.

The previous prime is 12156469217. The next prime is 12156469261. The reversal of 12156469248 is 84296465121.

It is a Harshad number since it is a multiple of its sum of digits (48).

Its product of digits (829440) is a multiple of the sum of its prime divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 12156469197 and 12156469206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166526940 + ... + 166527012.

Almost surely, 212156469248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12156469248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20640012512).

12156469248 is an abundant number, since it is smaller than the sum of its proper divisors (29123555776).

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

12156469248 is an frugal number, since it uses more digits than its factorization.

12156469248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 96 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The spelling of 12156469248 in words is "twelve billion, one hundred fifty-six million, four hundred sixty-nine thousand, two hundred forty-eight".