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2056851131 = 17611983463
BaseRepresentation
bin111101010011001…
…0000111010111011
312022100022212022112
41322212100322323
513203023214011
6540033242535
7101653642346
oct17246207273
95270285275
102056851131
11966047775
12494a0344b
1326a190c9a
1415725745d
15c089258b
hex7a990ebb

2056851131 has 8 divisors (see below), whose sum is σ = 2213545824. Its totient is φ = 1904123520.

The previous prime is 2056851119. The next prime is 2056851179. The reversal of 2056851131 is 1311586502.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2056851131 is a prime.

It is a super-2 number, since 2×20568511312 = 8461273150191958322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2056851331) 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, 990695 + ... + 992768.

It is an arithmetic number, because the mean of its divisors is an integer number (276693228).

Almost surely, 22056851131 is an apocalyptic number.

2056851131 is a deficient number, since it is larger than the sum of its proper divisors (156694693).

2056851131 is a wasteful number, since it uses less digits than its factorization.

2056851131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983541.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 2056851131 is about 45352.5206686464. The cubic root of 2056851131 is about 1271.7476777819.

The spelling of 2056851131 in words is "two billion, fifty-six million, eight hundred fifty-one thousand, one hundred thirty-one".

Divisors: 1 17 61 1037 1983463 33718871 120991243 2056851131