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2315380664 = 23793663577
BaseRepresentation
bin1000101000000001…
…1110011110111000
312222100210112011102
42022000132132320
514220214140124
61021430350532
7111243260642
oct21200363670
95870715142
102315380664
11a88a76843
125474bb448
132ab8cbb3c
1417d713892
15d840daae
hex8a01e7b8

2315380664 has 16 divisors (see below), whose sum is σ = 4396293600. Its totient is φ = 1143035712.

The previous prime is 2315380651. The next prime is 2315380667. The reversal of 2315380664 is 4660835132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315380667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1831157 + ... + 1832420.

It is an arithmetic number, because the mean of its divisors is an integer number (274768350).

Almost surely, 22315380664 is an apocalyptic number.

It is an amenable number.

2315380664 is a deficient number, since it is larger than the sum of its proper divisors (2080912936).

2315380664 is a wasteful number, since it uses less digits than its factorization.

2315380664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663662 (or 3663658 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 2315380664 is about 48118.4025503757. The cubic root of 2315380664 is about 1322.9419887429.

The spelling of 2315380664 in words is "two billion, three hundred fifteen million, three hundred eighty thousand, six hundred sixty-four".

Divisors: 1 2 4 8 79 158 316 632 3663577 7327154 14654308 29308616 289422583 578845166 1157690332 2315380664