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105501055505 = 531680651971
BaseRepresentation
bin110001001000001011…
…0100101101000010001
3101002022112211220202012
41202100112211220101
53212031232234010
6120244433432305
710423262114126
oct1422026455021
9332275756665
10105501055505
114081966056a
121854410b695
139c44402981
14516b8b074d
152b27167005
hex18905a5a11

105501055505 has 8 divisors (see below), whose sum is σ = 130685178624. Its totient is φ = 81678236400.

The previous prime is 105501055487. The next prime is 105501055507. The reversal of 105501055505 is 505550105501.

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

It is a de Polignac number, because none of the positive numbers 2k-105501055505 is a prime.

It is a super-2 number, since 2×1055010555052 (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 (105501055507) 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, 340325831 + ... + 340326140.

It is an arithmetic number, because the mean of its divisors is an integer number (16335647328).

Almost surely, 2105501055505 is an apocalyptic number.

It is an amenable number.

105501055505 is a deficient number, since it is larger than the sum of its proper divisors (25184123119).

105501055505 is an equidigital number, since it uses as much as digits as its factorization.

105501055505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680652007.

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 105501055505 in words is "one hundred five billion, five hundred one million, fifty-five thousand, five hundred five".

Divisors: 1 5 31 155 680651971 3403259855 21100211101 105501055505