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1291114113 = 31725315963
BaseRepresentation
bin100110011110100…
…1101011010000001
310022222110101121020
41030331031122001
510121011122423
6332041020053
743665201042
oct11475153201
93288411536
101291114113
11602889163
12300484629
13177646563
14c368a8c9
15785374e3
hex4cf4d681

1291114113 has 8 divisors (see below), whose sum is σ = 1822749408. Its totient is φ = 810110784.

The previous prime is 1291114103. The next prime is 1291114117. The reversal of 1291114113 is 3114111921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1291114113 - 212 = 1291110017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1291114117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12657931 + ... + 12658032.

It is an arithmetic number, because the mean of its divisors is an integer number (227843676).

Almost surely, 21291114113 is an apocalyptic number.

It is an amenable number.

1291114113 is a deficient number, since it is larger than the sum of its proper divisors (531635295).

1291114113 is a wasteful number, since it uses less digits than its factorization.

1291114113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25315983.

The product of its digits is 216, while the sum is 24.

The square root of 1291114113 is about 35932.0763803040. The cubic root of 1291114113 is about 1088.9005306640.

The spelling of 1291114113 in words is "one billion, two hundred ninety-one million, one hundred fourteen thousand, one hundred thirteen".

Divisors: 1 3 17 51 25315963 75947889 430371371 1291114113