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105125904998 = 22573115931109
BaseRepresentation
bin110000111100111111…
…1100000001001100110
3101001100101221021222222
41201321333200021212
53210244212424443
6120143312552342
710411055306642
oct1417177401146
9331311837888
10105125904998
1140646918424
121845a5526b2
139bb4781c1a
145133b37c22
152b04261468
hex1879fe0266

105125904998 has 32 divisors (see below), whose sum is σ = 159222697920. Its totient is φ = 52055080960.

The previous prime is 105125904997. The next prime is 105125905051. The reversal of 105125904998 is 899409521501.

It is a happy number.

It is a super-2 number, since 2×1051259049982 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105125904991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94792868 + ... + 94793976.

It is an arithmetic number, because the mean of its divisors is an integer number (4975709310).

Almost surely, 2105125904998 is an apocalyptic number.

105125904998 is a deficient number, since it is larger than the sum of its proper divisors (54096792922).

105125904998 is a wasteful number, since it uses less digits than its factorization.

105125904998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272.

The product of its (nonzero) digits is 1166400, while the sum is 53.

The spelling of 105125904998 in words is "one hundred five billion, one hundred twenty-five million, nine hundred four thousand, nine hundred ninety-eight".

Divisors: 1 2 257 311 514 593 622 1109 1186 2218 79927 152401 159854 184423 285013 304802 344899 368846 570026 657637 689798 1315274 47396711 88639043 94793422 169012709 177278086 204525107 338025418 409050214 52562952499 105125904998