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2531531063 = 19791686563
BaseRepresentation
bin1001011011100100…
…0001100100110111
320112102112002202202
42112321001210313
520141032443223
61055111255115
7116506442015
oct22671014467
96472462682
102531531063
111089a8a836
125a797a49b
1331461c299
141a02db8b5
15ec3a8428
hex96e41937

2531531063 has 8 divisors (see below), whose sum is σ = 2698502400. Its totient is φ = 2367933048.

The previous prime is 2531531039. The next prime is 2531531077. The reversal of 2531531063 is 3601351352.

2531531063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2531531063 - 226 = 2464422199 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 (2531531263) 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, 841781 + ... + 844782.

It is an arithmetic number, because the mean of its divisors is an integer number (337312800).

Almost surely, 22531531063 is an apocalyptic number.

2531531063 is a deficient number, since it is larger than the sum of its proper divisors (166971337).

2531531063 is a wasteful number, since it uses less digits than its factorization.

2531531063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686661.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 2531531063 is about 50314.3226427625. The cubic root of 2531531063 is about 1362.8908847686.

The spelling of 2531531063 in words is "two billion, five hundred thirty-one million, five hundred thirty-one thousand, sixty-three".

Divisors: 1 19 79 1501 1686563 32044697 133238477 2531531063