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557999971892 = 221141309312623
BaseRepresentation
bin10000001111010110110…
…00111101111000110100
31222100021222101120012122
420013223120331320310
533120240443100032
61104201443535112
755212521334326
oct10075330757064
91870258346178
10557999971892
111a5712489870
129018908a498
1340808420b7c
141d016211616
15e7ac9ba012
hex81eb63de34

557999971892 has 24 divisors (see below), whose sum is σ = 1091254937472. Its totient is φ = 247450097600.

The previous prime is 557999971891. The next prime is 557999971931. The reversal of 557999971892 is 298179999755.

It is a happy number.

It is a super-2 number, since 2×5579999718922 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557999971891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154654508 + ... + 154658115.

It is an arithmetic number, because the mean of its divisors is an integer number (45468955728).

Almost surely, 2557999971892 is an apocalyptic number.

It is an amenable number.

557999971892 is a deficient number, since it is larger than the sum of its proper divisors (533254965580).

557999971892 is a wasteful number, since it uses less digits than its factorization.

557999971892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309312679 (or 309312677 counting only the distinct ones).

The product of its digits is 1157360400, while the sum is 80.

The spelling of 557999971892 in words is "five hundred fifty-seven billion, nine hundred ninety-nine million, nine hundred seventy-one thousand, eight hundred ninety-two".

Divisors: 1 2 4 11 22 41 44 82 164 451 902 1804 309312623 618625246 1237250492 3402438853 6804877706 12681817543 13609755412 25363635086 50727270172 139499992973 278999985946 557999971892