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105256415432 = 2371879578847
BaseRepresentation
bin110001000000111000…
…1010111000011001000
3101001200111111220122202
41202001301113003020
53211031120243212
6120204254135332
710414231524560
oct1420161270310
9331614456582
10105256415432
1140703558893
12184961b1548
139c05818b2c
1451471cbda0
152b109410c2
hex1881c570c8

105256415432 has 16 divisors (see below), whose sum is σ = 225549461760. Its totient is φ = 45109892304.

The previous prime is 105256415413. The next prime is 105256415491. The reversal of 105256415432 is 234514652501.

It is a super-2 number, since 2×1052564154322 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 939789368 + ... + 939789479.

It is an arithmetic number, because the mean of its divisors is an integer number (14096841360).

Almost surely, 2105256415432 is an apocalyptic number.

It is an amenable number.

105256415432 is an abundant number, since it is smaller than the sum of its proper divisors (120293046328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105256415432 is a wasteful number, since it uses less digits than its factorization.

105256415432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879578860 (or 1879578856 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 105256415432 in words is "one hundred five billion, two hundred fifty-six million, four hundred fifteen thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 1879578847 3759157694 7518315388 13157051929 15036630776 26314103858 52628207716 105256415432