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116128653860 = 22529200221817
BaseRepresentation
bin110110000100111001…
…1101010001000100100
3102002202012112211222002
41230021303222020210
53400312413410420
6125203200024432
711250530161652
oct1541163521044
9362665484862
10116128653860
11452826634aa
121a60b302118
13ac4912c7cb
145899121dd2
15304a195075
hex1b09cea224

116128653860 has 24 divisors (see below), whose sum is σ = 252279490680. Its totient is φ = 44849686784.

The previous prime is 116128653857. The next prime is 116128653899. The reversal of 116128653860 is 68356821611.

It can be written as a sum of positive squares in 4 ways, for example, as 29631491044 + 86497162816 = 172138^2 + 294104^2 .

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, 100110329 + ... + 100111488.

It is an arithmetic number, because the mean of its divisors is an integer number (10511645445).

Almost surely, 2116128653860 is an apocalyptic number.

116128653860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116128653860 is an abundant number, since it is smaller than the sum of its proper divisors (136150836820).

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

116128653860 is a wasteful number, since it uses less digits than its factorization.

116128653860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200221855 (or 200221853 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 116128653860 in words is "one hundred sixteen billion, one hundred twenty-eight million, six hundred fifty-three thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 200221817 400443634 800887268 1001109085 2002218170 4004436340 5806432693 11612865386 23225730772 29032163465 58064326930 116128653860