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105431229601728 = 2632692041341961
BaseRepresentation
bin10111111110001110011110…
…111111010001011111000000
3111211022010102200000011112120
4113332032132333101133000
5102304341124234223403
61012122234354124240
731131104104062102
oct2776163677213700
9454263380004476
10105431229601728
1130659151584038
12b9a9341580680
1346aa17889a704
141c06c821dd572
15c2c795449e53
hex5fe39efd17c0

105431229601728 has 56 divisors (see below), whose sum is σ = 279990463507920. Its totient is φ = 35013097297920.

The previous prime is 105431229601721. The next prime is 105431229601787. The reversal of 105431229601728 is 827106922134501.

It is a super-2 number, since 2×1054312296017282 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105431229601721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1020619333 + ... + 1020722628.

It is a 1-persistent number, because it is pandigital, but 2⋅105431229601728 = 210862459203456 is not.

Almost surely, 2105431229601728 is an apocalyptic number.

It is an amenable number.

105431229601728 is an abundant number, since it is smaller than the sum of its proper divisors (174559233906192).

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

105431229601728 is a wasteful number, since it uses less digits than its factorization.

105431229601728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041342245 (or 2041342235 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 105431229601728 in words is "one hundred five trillion, four hundred thirty-one billion, two hundred twenty-nine million, six hundred one thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 269 538 807 1076 1614 2152 3228 4304 6456 8608 12912 17216 25824 51648 2041341961 4082683922 6124025883 8165367844 12248051766 16330735688 24496103532 32661471376 48992207064 65322942752 97984414128 130645885504 195968828256 391937656512 549120987509 1098241975018 1647362962527 2196483950036 3294725925054 4392967900072 6589451850108 8785935800144 13178903700216 17571871600288 26357807400432 35143743200576 52715614800864 105431229601728