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2644674131 = 11221856811
BaseRepresentation
bin1001110110100010…
…1000011001010011
320211022102100212202
42131220220121103
520404014033011
61114232313415
7122352234131
oct23550503123
96738370782
102644674131
111137938900
1261984286b
13331bb5148
141b1350751
151072a723b
hex9da28653

2644674131 has 6 divisors (see below), whose sum is σ = 2906955996. Its totient is φ = 2404249100.

The previous prime is 2644674121. The next prime is 2644674133. The reversal of 2644674131 is 1314764462.

It is a de Polignac number, because none of the positive numbers 2k-2644674131 is a prime.

It is a super-2 number, since 2×26446741312 = 13988602518361210322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2644674133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10928285 + ... + 10928526.

It is an arithmetic number, because the mean of its divisors is an integer number (484492666).

Almost surely, 22644674131 is an apocalyptic number.

2644674131 is a deficient number, since it is larger than the sum of its proper divisors (262281865).

2644674131 is a wasteful number, since it uses less digits than its factorization.

2644674131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21856833 (or 21856822 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 2644674131 is about 51426.3952751892. The cubic root of 2644674131 is about 1382.8998273055.

The spelling of 2644674131 in words is "two billion, six hundred forty-four million, six hundred seventy-four thousand, one hundred thirty-one".

Divisors: 1 11 121 21856811 240424921 2644674131