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23102000000000 = 2105911551
BaseRepresentation
bin1010100000010110110101…
…00000001110110000000000
310000210112022002201122120122
411100023122200032300000
511012000344000000000
6121044525015355412
74603031044666205
oct520133240166000
9100715262648518
1023102000000000
1173a7559806479
1227113a5082b68
13cb7680a9a70c
1459c1dda6dcac
152a0e091c7085
hex1502da80ec00

23102000000000 has 220 divisors, whose sum is σ = 57731790963264. Its totient is φ = 9240000000000.

The previous prime is 23101999999993. The next prime is 23102000000021. The reversal of 23102000000000 is 20132.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1999994225 + ... + 2000005775.

Almost surely, 223102000000000 is an apocalyptic number.

23102000000000 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 23102000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28865895481632).

23102000000000 is an abundant number, since it is smaller than the sum of its proper divisors (34629790963264).

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

23102000000000 is an frugal number, since it uses more digits than its factorization.

23102000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11616 (or 11558 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 23102000000000 its reverse (20132), we get a palindrome (23102000020132).

The spelling of 23102000000000 in words is "twenty-three trillion, one hundred two billion", and thus it is an aban number.