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102742956988070 = 2571467756528401
BaseRepresentation
bin10111010111000110110101…
…011101000101011010100110
3111110210010112022210212112212
4113113012311131011122212
5101431320033442104240
61002303243550243422
730432635152636160
oct2727066535053246
9443703468725485
10102742956988070
112a812052797593
12b6343344b6572
134543808701589
141b52addb81930
15bd28a7c36165
hex5d71b57456a6

102742956988070 has 16 divisors (see below), whose sum is σ = 211356940089888. Its totient is φ = 35226156681600.

The previous prime is 102742956988043. The next prime is 102742956988093. The reversal of 102742956988070 is 70889659247201.

It is a super-2 number, since 2×1027429569880702 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733878264131 + ... + 733878264270.

It is an arithmetic number, because the mean of its divisors is an integer number (13209808755618).

Almost surely, 2102742956988070 is an apocalyptic number.

102742956988070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102742956988070 is an abundant number, since it is smaller than the sum of its proper divisors (108613983101818).

102742956988070 is a wasteful number, since it uses less digits than its factorization.

102742956988070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467756528415.

The product of its (nonzero) digits is 121927680, while the sum is 68.

The spelling of 102742956988070 in words is "one hundred two trillion, seven hundred forty-two billion, nine hundred fifty-six million, nine hundred eighty-eight thousand, seventy".

Divisors: 1 2 5 7 10 14 35 70 1467756528401 2935513056802 7338782642005 10274295698807 14677565284010 20548591397614 51371478494035 102742956988070