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1079814017881 = 431224112
BaseRepresentation
bin11111011011010011110…
…11100101001101011001
310211020012002120121222101
433231221323211031121
5120142424342033011
62144020521523401
7141004540465504
oct17555173451531
93736162517871
101079814017881
11386a45953945
12155337643561
137aa97a13961
143a39860c13b
151d14d7492c1
hexfb69ee5359

1079814017881 has 9 divisors (see below), whose sum is σ = 1082774297269. Its totient is φ = 1076861818300.

The previous prime is 1079814017879. The next prime is 1079814017899. The reversal of 1079814017881 is 1887104189701.

It is a happy number.

The square root of 1079814017881 is 1039141.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1079814017881 - 21 = 1079814017879 is a prime.

It is a super-2 number, since 2×10798140178812 (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 (1079814017801) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 447868566 + ... + 447870976.

Almost surely, 21079814017881 is an apocalyptic number.

1079814017881 is the 1039141-st square number.

1079814017881 is the 519571-st centered octagonal number.

It is an amenable number.

1079814017881 is a deficient number, since it is larger than the sum of its proper divisors (2960279388).

1079814017881 is an frugal number, since it uses more digits than its factorization.

1079814017881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5684 (or 2842 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 55.

The spelling of 1079814017881 in words is "one trillion, seventy-nine billion, eight hundred fourteen million, seventeen thousand, eight hundred eighty-one".

Divisors: 1 431 2411 185761 1039141 5812921 447869771 2505368951 1079814017881