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2057830517 = 29373076247
BaseRepresentation
bin111101010101000…
…0000000001110101
312022102011121210002
41322222000001311
513203301034032
6540110241045
7101665161611
oct17252000165
95272147702
102057830517
11966656586
124951b6185
1326a4449c2
14157430341
15c09d7862
hex7aa80075

2057830517 has 16 divisors (see below), whose sum is σ = 2193797760. Its totient is φ = 1926566208.

The previous prime is 2057830471. The next prime is 2057830519. The reversal of 2057830517 is 7150387502.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2057830517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057830519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326288 + ... + 332534.

It is an arithmetic number, because the mean of its divisors is an integer number (137112360).

Almost surely, 22057830517 is an apocalyptic number.

It is an amenable number.

2057830517 is a deficient number, since it is larger than the sum of its proper divisors (135967243).

2057830517 is a wasteful number, since it uses less digits than its factorization.

2057830517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6620.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 2057830517 is about 45363.3168650618. The cubic root of 2057830517 is about 1271.9494966714.

The spelling of 2057830517 in words is "two billion, fifty-seven million, eight hundred thirty thousand, five hundred seventeen".

Divisors: 1 29 37 307 1073 6247 8903 11359 181163 231139 329411 1917829 6703031 55617041 70959673 2057830517