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1081577714881 = 4784112260771
BaseRepresentation
bin11111011110100110000…
…11100011010011000001
310211101202000021201102111
433233103003203103001
5120210032343334011
62144511524015321
7141066334613326
oct17572303432301
93741660251374
101081577714881
11387770472574
1215574a231541
137acb9232b51
143a4c4954b4d
151d2034d1121
hexfbd30e34c1

1081577714881 has 4 divisors (see below), whose sum is σ = 1081580454064. Its totient is φ = 1081574975700.

The previous prime is 1081577714869. The next prime is 1081577714887. The reversal of 1081577714881 is 1884177751801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1081577714881 - 29 = 1081577714369 is a prime.

It is a super-2 number, since 2×10815777148812 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081577714887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651975 + ... + 1608796.

It is an arithmetic number, because the mean of its divisors is an integer number (270395113516).

Almost surely, 21081577714881 is an apocalyptic number.

It is an amenable number.

1081577714881 is a deficient number, since it is larger than the sum of its proper divisors (2739183).

1081577714881 is an equidigital number, since it uses as much as digits as its factorization.

1081577714881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739182.

The product of its (nonzero) digits is 3512320, while the sum is 58.

The spelling of 1081577714881 in words is "one trillion, eighty-one billion, five hundred seventy-seven million, seven hundred fourteen thousand, eight hundred eighty-one".

Divisors: 1 478411 2260771 1081577714881