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10125305161513 = 20051350497001
BaseRepresentation
bin1001001101010111101100…
…1101111010011100101001
31022211222011220222222210021
42103111323031322130221
52311343111110132023
633311300113320441
72063346333552013
oct223257315723451
938758156888707
1010125305161513
113254132885543
121176428266121
13585a734886c9
142700d2c911b3
151285b0a2d35d
hex9357b37a729

10125305161513 has 4 divisors (see below), whose sum is σ = 10125355859028. Its totient is φ = 10125254464000.

The previous prime is 10125305161501. The next prime is 10125305161529. The reversal of 10125305161513 is 31516150352101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2167337507344 + 7957967654169 = 1472188^2 + 2820987^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10125305161513 is a prime.

It is a super-2 number, since 2×101253051615132 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10125305161553) 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, 25047988 + ... + 25449013.

It is an arithmetic number, because the mean of its divisors is an integer number (2531338964757).

Almost surely, 210125305161513 is an apocalyptic number.

It is an amenable number.

10125305161513 is a deficient number, since it is larger than the sum of its proper divisors (50697515).

10125305161513 is an equidigital number, since it uses as much as digits as its factorization.

10125305161513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50697514.

The product of its (nonzero) digits is 13500, while the sum is 34.

The spelling of 10125305161513 in words is "ten trillion, one hundred twenty-five billion, three hundred five million, one hundred sixty-one thousand, five hundred thirteen".

Divisors: 1 200513 50497001 10125305161513