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75505805050530 = 2352516860168351
BaseRepresentation
bin10001001010110000010000…
…101100000100001010100010
3100220100021200101011201201210
4101022300100230010022202
534344041342043104110
6424330515445410550
721622054144262241
oct2112602054041242
9326307611151653
1075505805050530
11220709175784a8
128575645409a56
1333192227a827a
1414907013b4958
158ae12c7c5520
hex44ac10b042a2

75505805050530 has 16 divisors (see below), whose sum is σ = 181213932121344. Its totient is φ = 20134881346800.

The previous prime is 75505805050391. The next prime is 75505805050549. The reversal of 75505805050530 is 3505050850557.

It is a super-2 number, since 2×755058050505302 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75505805050530.

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, 1258430084146 + ... + 1258430084205.

It is an arithmetic number, because the mean of its divisors is an integer number (11325870757584).

Almost surely, 275505805050530 is an apocalyptic number.

75505805050530 is an abundant number, since it is smaller than the sum of its proper divisors (105708127070814).

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

75505805050530 is a wasteful number, since it uses less digits than its factorization.

75505805050530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516860168361.

The product of its (nonzero) digits is 2625000, while the sum is 48.

The spelling of 75505805050530 in words is "seventy-five trillion, five hundred five billion, eight hundred five million, fifty thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2516860168351 5033720336702 7550580505053 12584300841755 15101161010106 25168601683510 37752902525265 75505805050530