Search a number
-
+
105555555555 = 357037037037
BaseRepresentation
bin110001001001110011…
…0011111010011100011
3101002110100101210202120
41202103212133103203
53212134210234210
6120254101515323
710424523263322
oct1422346372343
9332410353676
10105555555555
11408473a522a
121855a412b43
139c527a5418
145174c1a0b9
152b2bd30270
hex189399f4e3

105555555555 has 8 divisors (see below), whose sum is σ = 168888888912. Its totient is φ = 56296296288.

The previous prime is 105555555493. The next prime is 105555555577. The reversal of 105555555555 is 555555555501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105555555555 - 220 = 105554506979 is a prime.

It is a super-2 number, since 2×1055555555552 (a number of 23 digits) contains 22 as substring.

105555555555 is a modest number, since divided by 555555 gives 105555 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 105555555498 and 105555555507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3518518504 + ... + 3518518533.

It is an arithmetic number, because the mean of its divisors is an integer number (21111111114).

Almost surely, 2105555555555 is an apocalyptic number.

105555555555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105555555555 is a deficient number, since it is larger than the sum of its proper divisors (63333333357).

105555555555 is an equidigital number, since it uses as much as digits as its factorization.

105555555555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7037037045.

The product of its (nonzero) digits is 9765625, while the sum is 51.

The spelling of 105555555555 in words is "one hundred five billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-five".

Divisors: 1 3 5 15 7037037037 21111111111 35185185185 105555555555