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168703111525040 = 24512107174179309
BaseRepresentation
bin100110010110111101000001…
…000010001111001010110000
3211010022212012220110200210022
4212112331001002033022300
5134103012433022300130
61354445050045223012
750351253241512311
oct4626750102171260
9733285186420708
10168703111525040
1149832651413a04
1216b07962861a68
1373198345872a1
142d933ba446608
15147854d6137e5
hex996f4108f2b0

168703111525040 has 40 divisors (see below), whose sum is σ = 392267133899280. Its totient is φ = 67475670484736.

The previous prime is 168703111525007. The next prime is 168703111525061. The reversal of 168703111525040 is 40525111307861.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 168703111524982 and 168703111525000.

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, 86121095 + ... + 88058214.

It is an arithmetic number, because the mean of its divisors is an integer number (9806678347482).

Almost surely, 2168703111525040 is an apocalyptic number.

168703111525040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168703111525040 is an abundant number, since it is smaller than the sum of its proper divisors (223564022374240).

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

168703111525040 is a wasteful number, since it uses less digits than its factorization.

168703111525040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174191429 (or 174191423 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 168703111525040 in words is "one hundred sixty-eight trillion, seven hundred three billion, one hundred eleven million, five hundred twenty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 12107 24214 48428 60535 96856 121070 193712 242140 484280 968560 174179309 348358618 696717236 870896545 1393434472 1741793090 2786868944 3483586180 6967172360 13934344720 2108788894063 4217577788126 8435155576252 10543944470315 16870311152504 21087888940630 33740622305008 42175777881260 84351555762520 168703111525040