Base | Representation |
---|---|
bin | 110001001001110011… |
… | …0011110001110011011 |
3 | 101002110100101120200201 |
4 | 1202103212132032123 |
5 | 3212134210114011 |
6 | 120254101443031 |
7 | 10424523244402 |
oct | 1422346361633 |
9 | 332410346621 |
10 | 105555551131 |
11 | 408473a1978 |
12 | 1855a410477 |
13 | 9c527a33c4 |
14 | 5174c18639 |
15 | 2b2bd2dcc1 |
hex | 189399e39b |
105555551131 has 8 divisors (see below), whose sum is σ = 107569070000. Its totient is φ = 103551164640.
The previous prime is 105555551093. The next prime is 105555551183. The reversal of 105555551131 is 131155555501.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 105555551131 - 29 = 105555550619 is a prime.
It is a super-2 number, since 2×1055555511312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (105555551191) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2259756 + ... + 2305993.
It is an arithmetic number, because the mean of its divisors is an integer number (13446133750).
Almost surely, 2105555551131 is an apocalyptic number.
105555551131 is a deficient number, since it is larger than the sum of its proper divisors (2013518869).
105555551131 is an equidigital number, since it uses as much as digits as its factorization.
105555551131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4566189.
The product of its (nonzero) digits is 46875, while the sum is 37.
The spelling of 105555551131 in words is "one hundred five billion, five hundred fifty-five million, five hundred fifty-one thousand, one hundred thirty-one".
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