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102131100000 = 253255373067
BaseRepresentation
bin101111100011101111…
…1001110100101100000
3100202121200200102212100
41133013133032211200
53133131030200000
6114530211530400
710243622012016
oct1370737164540
9322550612770
10102131100000
113a34a386076
12179635b9a00
139828199167
144d2c0c48b6
1529cb396a00
hex17c77ce960

102131100000 has 432 divisors, whose sum is σ = 372953848176. Its totient is φ = 26490240000.

The previous prime is 102131099977. The next prime is 102131100017. The reversal of 102131100000 is 1131201.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 33298467 + ... + 33301533.

It is an arithmetic number, because the mean of its divisors is an integer number (863319093).

Almost surely, 2102131100000 is an apocalyptic number.

102131100000 is a gapful number since it is divisible by the number (10) 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 102131100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186476924088).

102131100000 is an abundant number, since it is smaller than the sum of its proper divisors (270822748176).

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

102131100000 is an equidigital number, since it uses as much as digits as its factorization.

102131100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145 (or 3114 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 102131100000 its reverse (1131201), we get a palindrome (102132231201).

The spelling of 102131100000 in words is "one hundred two billion, one hundred thirty-one million, one hundred thousand".