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105104195655 = 3559539921997
BaseRepresentation
bin110000111100010110…
…0101100000001000111
3101001021220002100101020
41201320230230001013
53210223133230110
6120141215402223
710410402631254
oct1417054540107
9331256070336
10105104195655
114063563a918
1218453223373
139bb0120764
145130cc642b
152b023c3d70
hex1878b2c047

105104195655 has 32 divisors (see below), whose sum is σ = 171056448000. Its totient is φ = 55092765312.

The previous prime is 105104195633. The next prime is 105104195657. The reversal of 105104195655 is 556591401501.

It is a happy number.

It is not a de Polignac number, because 105104195655 - 26 = 105104195591 is a prime.

It is a super-2 number, since 2×1051041956552 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105104195657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4767117 + ... + 4789113.

It is an arithmetic number, because the mean of its divisors is an integer number (5345514000).

Almost surely, 2105104195655 is an apocalyptic number.

105104195655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105104195655 is a deficient number, since it is larger than the sum of its proper divisors (65952252345).

105104195655 is a wasteful number, since it uses less digits than its factorization.

105104195655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27463.

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 105104195655 in words is "one hundred five billion, one hundred four million, one hundred ninety-five thousand, six hundred fifty-five".

Divisors: 1 3 5 15 59 177 295 885 5399 16197 21997 26995 65991 80985 109985 318541 329955 955623 1297823 1592705 3893469 4778115 6489115 19467345 118761803 356285409 593809015 1781427045 7006946377 21020839131 35034731885 105104195655