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2312152630 = 25713256553
BaseRepresentation
bin1000100111010000…
…1010011000110110
312222010201112010121
42021310022120312
514213402341010
61021233242154
7111203654524
oct21164123066
95863645117
102312152630
11a87171547
1254640335a
132ab03b768
1417d113314
15d7ec23da
hex89d0a636

2312152630 has 16 divisors (see below), whose sum is σ = 4220493984. Its totient is φ = 911834560.

The previous prime is 2312152603. The next prime is 2312152631. The reversal of 2312152630 is 362512132.

It is a junction number, because it is equal to n+sod(n) for n = 2312152595 and 2312152604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312152631) 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, 1627567 + ... + 1628986.

It is an arithmetic number, because the mean of its divisors is an integer number (263780874).

Almost surely, 22312152630 is an apocalyptic number.

2312152630 is a deficient number, since it is larger than the sum of its proper divisors (1908341354).

2312152630 is a wasteful number, since it uses less digits than its factorization.

2312152630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256631.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2312152630 is about 48084.8482372566. The cubic root of 2312152630 is about 1322.3269008474.

Adding to 2312152630 its reverse (362512132), we get a palindrome (2674664762).

The spelling of 2312152630 in words is "two billion, three hundred twelve million, one hundred fifty-two thousand, six hundred thirty".

Divisors: 1 2 5 10 71 142 355 710 3256553 6513106 16282765 32565530 231215263 462430526 1156076315 2312152630