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105555555513 = 3335291107811
BaseRepresentation
bin110001001001110011…
…0011111010010111001
3101002110100101210201000
41202103212133102321
53212134210234023
6120254101515213
710424523263232
oct1422346372271
9332410353630
10105555555513
11408473a51a1
121855a412b09
139c527a53b5
145174c1a089
152b2bd30243
hex189399f4b9

105555555513 has 16 divisors (see below), whose sum is σ = 156423054400. Its totient is φ = 70350366240.

The previous prime is 105555555493. The next prime is 105555555577. The reversal of 105555555513 is 315555555501.

It is not a de Polignac number, because 105555555513 - 217 = 105555424441 is a prime.

It is a super-2 number, since 2×1055555555132 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105555555913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458623 + ... + 649188.

It is an arithmetic number, because the mean of its divisors is an integer number (9776440900).

Almost surely, 2105555555513 is an apocalyptic number.

It is an amenable number.

105555555513 is a deficient number, since it is larger than the sum of its proper divisors (50867498887).

105555555513 is a wasteful number, since it uses less digits than its factorization.

105555555513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111349 (or 1111343 counting only the distinct ones).

The product of its (nonzero) digits is 1171875, while the sum is 45.

The spelling of 105555555513 in words is "one hundred five billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred thirteen".

Divisors: 1 3 9 27 3529 10587 31761 95283 1107811 3323433 9970299 29910897 3909465019 11728395057 35185185171 105555555513