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2531304063 = 321729570499
BaseRepresentation
bin1001011011100000…
…1010001001111111
320112102002120101100
42112320022021333
520141003212223
61055102344143
7116504505141
oct22670121177
96472076340
102531304063
111089945232
125a788b053
1331456cb72
141a027cc91
15ec361043
hex96e0a27f

2531304063 has 24 divisors (see below), whose sum is σ = 4004910000. Its totient is φ = 1533498624.

The previous prime is 2531303993. The next prime is 2531304107. The reversal of 2531304063 is 3604031352.

It is a happy number.

2531304063 is a `hidden beast` number, since 2 + 531 + 30 + 40 + 63 = 666.

It is not a de Polignac number, because 2531304063 - 28 = 2531303807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531300063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280813 + ... + 289686.

It is an arithmetic number, because the mean of its divisors is an integer number (166871250).

Almost surely, 22531304063 is an apocalyptic number.

2531304063 is a deficient number, since it is larger than the sum of its proper divisors (1473605937).

2531304063 is a wasteful number, since it uses less digits than its factorization.

2531304063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570551 (or 570548 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 2531304063 is about 50312.0667732901. The cubic root of 2531304063 is about 1362.8501471714.

The spelling of 2531304063 in words is "two billion, five hundred thirty-one million, three hundred four thousand, sixty-three".

Divisors: 1 3 9 17 29 51 87 153 261 493 1479 4437 570499 1711497 5134491 9698483 16544471 29095449 49633413 87286347 148900239 281256007 843768021 2531304063