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1005051750131 = 11213638939447
BaseRepresentation
bin11101010000000011100…
…00001010011011110011
310120002012210011220212202
432220001300022123303
5112431321222001011
62045414151013415
7132420055630352
oct16500160123363
93502183156782
101005051750131
11358270569600
1214295196a26b
1373a11a762c0
1436905339999
151b224ee123b
hexea01c0a6f3

1005051750131 has 12 divisors (see below), whose sum is σ = 1189705252176. Its totient is φ = 843400068720.

The previous prime is 1005051750121. The next prime is 1005051750137. The reversal of 1005051750131 is 1310571505001.

It is not a de Polignac number, because 1005051750131 - 214 = 1005051733747 is a prime.

It is a super-2 number, since 2×10050517501312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1005051750094 and 1005051750103.

It is not an unprimeable number, because it can be changed into a prime (1005051750137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319468151 + ... + 319471296.

It is an arithmetic number, because the mean of its divisors is an integer number (99142104348).

Almost surely, 21005051750131 is an apocalyptic number.

1005051750131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1005051750131 is a deficient number, since it is larger than the sum of its proper divisors (184653502045).

1005051750131 is a wasteful number, since it uses less digits than its factorization.

1005051750131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638939482 (or 638939471 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 29.

The spelling of 1005051750131 in words is "one trillion, five billion, fifty-one million, seven hundred fifty thousand, one hundred thirty-one".

Divisors: 1 11 13 121 143 1573 638939447 7028333917 8306212811 77311673087 91368340921 1005051750131