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10102505105 = 5711192947623
BaseRepresentation
bin10010110100010011…
…11111111010010001
3222002001122102200202
421122021333322101
5131142220130410
64350243424545
7505230606440
oct113211777221
928061572622
1010102505105
114314667680
121b5b385155
13c4ccca294
146bba06d57
153e1da9ca5
hex25a27fe91

10102505105 has 64 divisors (see below), whose sum is σ = 16458854400. Its totient is φ = 5760357120.

The previous prime is 10102505071. The next prime is 10102505111. The reversal of 10102505105 is 50150520101.

It is a happy number.

It is not a de Polignac number, because 10102505105 - 212 = 10102501009 is a prime.

It is a super-2 number, since 2×101025051052 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 188324 + ... + 235946.

It is an arithmetic number, because the mean of its divisors is an integer number (257169600).

Almost surely, 210102505105 is an apocalyptic number.

It is an amenable number.

10102505105 is a deficient number, since it is larger than the sum of its proper divisors (6356349295).

10102505105 is a wasteful number, since it uses less digits than its factorization.

10102505105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47694.

The product of its (nonzero) digits is 250, while the sum is 20.

The spelling of 10102505105 in words is "ten billion, one hundred two million, five hundred five thousand, one hundred five".

Divisors: 1 5 7 11 19 29 35 55 77 95 133 145 203 209 319 385 551 665 1015 1045 1463 1595 2233 2755 3857 6061 7315 11165 19285 30305 42427 47623 212135 238115 333361 523853 904837 1381067 1666805 2619265 3666971 4524185 6333859 6905335 9667469 9953207 15191737 18334855 26240273 31669295 48337345 49766035 69672449 75958685 106342159 131201365 183681911 288643003 348362245 531710795 918409555 1443215015 2020501021 10102505105