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11639577142780 = 225856016798739
BaseRepresentation
bin1010100101100000110011…
…0111000110010111111100
31112012201210010212220020121
42221120030313012113330
53011200323222032110
640431051541224324
72310634400201266
oct251301467062774
945181703786217
1011639577142780
113788353943674
12137b9b2a020a4
136657b864b732
142c3503b92b36
15152b8ad32cda
hexa960cdc65fc

11639577142780 has 24 divisors (see below), whose sum is σ = 24443401142160. Its totient is φ = 4655775782400.

The previous prime is 11639577142771. The next prime is 11639577142813. The reversal of 11639577142780 is 8724177593611.

It is a super-2 number, since 2×116395771427802 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1687350 + ... + 5111389.

It is an arithmetic number, because the mean of its divisors is an integer number (1018475047590).

It is a 2-persistent number, because it is pandigital, and so is 2⋅11639577142780 = 23279154285560, but 3⋅11639577142780 = 34918731428340 is not.

Almost surely, 211639577142780 is an apocalyptic number.

11639577142780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11639577142780 is an abundant number, since it is smaller than the sum of its proper divisors (12803823999380).

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

11639577142780 is a wasteful number, since it uses less digits than its factorization.

11639577142780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6884349 (or 6884347 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 61.

The spelling of 11639577142780 in words is "eleven trillion, six hundred thirty-nine billion, five hundred seventy-seven million, one hundred forty-two thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 85601 171202 342404 428005 856010 1712020 6798739 13597478 27194956 33993695 67987390 135974780 581978857139 1163957714278 2327915428556 2909894285695 5819788571390 11639577142780