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105412553420 = 2255270627671
BaseRepresentation
bin110001000101100010…
…0111110101011001100
3101002002101022112201012
41202023010332223030
53211341103202140
6120231552504352
710421135630426
oct1421304765314
9332071275635
10105412553420
1140783702649
121851a54b0b8
139c2bc86785
14515dc33816
152b1e4d4265
hex188b13eacc

105412553420 has 12 divisors (see below), whose sum is σ = 221366362224. Its totient is φ = 42165021360.

The previous prime is 105412553399. The next prime is 105412553453. The reversal of 105412553420 is 24355214501.

It is a super-2 number, since 2×1054125534202 (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, 2635313816 + ... + 2635313855.

It is an arithmetic number, because the mean of its divisors is an integer number (18447196852).

Almost surely, 2105412553420 is an apocalyptic number.

105412553420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105412553420 is an abundant number, since it is smaller than the sum of its proper divisors (115953808804).

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

105412553420 is a wasteful number, since it uses less digits than its factorization.

105412553420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270627680 (or 5270627678 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 105412553420 its reverse (24355214501), we get a palindrome (129767767921).

The spelling of 105412553420 in words is "one hundred five billion, four hundred twelve million, five hundred fifty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 5270627671 10541255342 21082510684 26353138355 52706276710 105412553420