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6874067131 = 31221744101
BaseRepresentation
bin1100110011011100…
…11111000010111011
3122202001202210100221
412121232133002323
5103034230122011
63054035040511
7332226415021
oct63156370273
918661683327
106874067131
112a08260418
1213ba140137
138571b2759
14492d38711
152a3740971
hex199b9f0bb

6874067131 has 4 divisors (see below), whose sum is σ = 7095811264. Its totient is φ = 6652323000.

The previous prime is 6874067129. The next prime is 6874067141. The reversal of 6874067131 is 1317604786.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1317604786 = 2658802393.

It is a cyclic number.

It is not a de Polignac number, because 6874067131 - 21 = 6874067129 is a prime.

It is a super-2 number, since 2×68740671312 = 94505597842989142322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6874067111) 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, 110872020 + ... + 110872081.

It is an arithmetic number, because the mean of its divisors is an integer number (1773952816).

Almost surely, 26874067131 is an apocalyptic number.

6874067131 is a deficient number, since it is larger than the sum of its proper divisors (221744133).

6874067131 is a wasteful number, since it uses less digits than its factorization.

6874067131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221744132.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 6874067131 is about 82909.9941563139. The cubic root of 6874067131 is about 1901.3902226975.

The spelling of 6874067131 in words is "six billion, eight hundred seventy-four million, sixty-seven thousand, one hundred thirty-one".

Divisors: 1 31 221744101 6874067131