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2530565023 = 74765311779
BaseRepresentation
bin1001011011010101…
…0101101110011111
320112100201000121111
42112311111232133
520140311040043
61055034442451
7116465306410
oct22665255637
96470630544
102530565023
11108948aa58
125a7593427
1331437166c
141a0129807
15ec26709d
hex96d55b9f

2530565023 has 16 divisors (see below), whose sum is σ = 2958382080. Its totient is φ = 2119474656.

The previous prime is 2530565021. The next prime is 2530565029. The reversal of 2530565023 is 3205650352.

It is a cyclic number.

It is not a de Polignac number, because 2530565023 - 21 = 2530565021 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 (2530565021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208948 + ... + 220726.

It is an arithmetic number, because the mean of its divisors is an integer number (184898880).

Almost surely, 22530565023 is an apocalyptic number.

2530565023 is a deficient number, since it is larger than the sum of its proper divisors (427817057).

2530565023 is a wasteful number, since it uses less digits than its factorization.

2530565023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12486.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 2530565023 is about 50304.7216769957. The cubic root of 2530565023 is about 1362.7175016016.

The spelling of 2530565023 in words is "two billion, five hundred thirty million, five hundred sixty-five thousand, twenty-three".

Divisors: 1 7 47 329 653 4571 11779 30691 82453 214837 553613 3875291 7691687 53841809 361509289 2530565023