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2530163257 = 5979542837
BaseRepresentation
bin1001011011001111…
…0011101000111001
320112022221121111021
42112303303220321
520140210211012
61055022102441
7116462014156
oct22663635071
96468847437
102530163257
111089236116
125a741aa21
1331426082b
141a006322d
15ec1d8007
hex96cf3a39

2530163257 has 8 divisors (see below), whose sum is σ = 2605622400. Its totient is φ = 2455790064.

The previous prime is 2530163243. The next prime is 2530163281. The reversal of 2530163257 is 7523610352.

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-2530163257 is a prime.

It is a super-2 number, since 2×25301632572 = 12803452214145696098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2530163287) 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, 266758 + ... + 276079.

It is an arithmetic number, because the mean of its divisors is an integer number (325702800).

Almost surely, 22530163257 is an apocalyptic number.

It is an amenable number.

2530163257 is a deficient number, since it is larger than the sum of its proper divisors (75459143).

2530163257 is an equidigital number, since it uses as much as digits as its factorization.

2530163257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542975.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 2530163257 is about 50300.7281955242. The cubic root of 2530163257 is about 1362.6453803517.

The spelling of 2530163257 in words is "two billion, five hundred thirty million, one hundred sixty-three thousand, two hundred fifty-seven".

Divisors: 1 59 79 4661 542837 32027383 42884123 2530163257