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23102880000 = 2835448131
BaseRepresentation
bin10101100001000010…
…011111100100000000
32012122002010220102020
4111201002133210000
5334303314130000
614340250521440
71445340145164
oct254102374400
965562126366
1023102880000
119885a78762
124589136280
1322424a07c5
14119242cca4
15903382ba0
hex56109f900

23102880000 has 180 divisors, whose sum is σ = 76836192048. Its totient is φ = 6160640000.

The previous prime is 23102879981. The next prime is 23102880013. The reversal of 23102880000 is 8820132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 455935 + ... + 504065.

Almost surely, 223102880000 is an apocalyptic number.

23102880000 is a gapful number since it is divisible by the number (20) 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 23102880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38418096024).

23102880000 is an abundant number, since it is smaller than the sum of its proper divisors (53733312048).

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

23102880000 is an frugal number, since it uses more digits than its factorization.

23102880000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48170 (or 48141 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The spelling of 23102880000 in words is "twenty-three billion, one hundred two million, eight hundred eighty thousand".