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10105818855 = 351161247387
BaseRepresentation
bin10010110100101101…
…01000111011100111
3222002021212210022020
421122112220323213
5131144042200410
64350442434223
7505301020506
oct113226507347
928067783266
1010105818855
114316520310
121b60502973
13c508ba692
146bc22a83d
153e2311a70
hex25a5a8ee7

10105818855 has 16 divisors (see below), whose sum is σ = 17639247744. Its totient is φ = 4899790880.

The previous prime is 10105818847. The next prime is 10105818871. The reversal of 10105818855 is 55881850101.

It is not a de Polignac number, because 10105818855 - 23 = 10105818847 is a prime.

It is a super-2 number, since 2×101058188552 (a number of 21 digits) contains 22 as substring.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 30623529 + ... + 30623858.

It is an arithmetic number, because the mean of its divisors is an integer number (1102452984).

Almost surely, 210105818855 is an apocalyptic number.

10105818855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10105818855 is a deficient number, since it is larger than the sum of its proper divisors (7533428889).

10105818855 is a wasteful number, since it uses less digits than its factorization.

10105818855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61247406.

The product of its (nonzero) digits is 64000, while the sum is 42.

The spelling of 10105818855 in words is "ten billion, one hundred five million, eight hundred eighteen thousand, eight hundred fifty-five".

Divisors: 1 3 5 11 15 33 55 165 61247387 183742161 306236935 673721257 918710805 2021163771 3368606285 10105818855