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102131302100 = 22525344343499
BaseRepresentation
bin101111100011101111…
…1111111111011010100
3100202121201001201002112
41133013133333323110
53133131103131400
6114530220130152
710243623513152
oct1370737777324
9322551051075
10102131302100
113a34a5039a3
1217963696958
13982823a149
144d2c1383d2
1529cb3d6835
hex17c77ffed4

102131302100 has 72 divisors (see below), whose sum is σ = 226321452000. Its totient is φ = 39990321280.

The previous prime is 102131302081. The next prime is 102131302127. The reversal of 102131302100 is 1203131201.

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, 2326151 + ... + 2369649.

It is an arithmetic number, because the mean of its divisors is an integer number (3143353500).

Almost surely, 2102131302100 is an apocalyptic number.

102131302100 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 102131302100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113160726000).

102131302100 is an abundant number, since it is smaller than the sum of its proper divisors (124190149900).

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

102131302100 is a wasteful number, since it uses less digits than its factorization.

102131302100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44009 (or 44002 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 102131302100 its reverse (1203131201), we get a palindrome (103334433301).

The spelling of 102131302100 in words is "one hundred two billion, one hundred thirty-one million, three hundred two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 53 100 106 212 265 443 530 886 1060 1325 1772 2215 2650 4430 5300 8860 11075 22150 23479 43499 44300 46958 86998 93916 117395 173996 217495 234790 434990 469580 586975 869980 1087475 1173950 2174950 2305447 2347900 4349900 4610894 9221788 11527235 19270057 23054470 38540114 46108940 57636175 77080228 96350285 115272350 192700570 230544700 385401140 481751425 963502850 1021313021 1927005700 2042626042 4085252084 5106565105 10213130210 20426260420 25532825525 51065651050 102131302100