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1330540568 = 23771334643
BaseRepresentation
bin100111101001110…
…0111000000011000
310102201122110112022
41033103213000120
510211104244233
6340010034012
744654260010
oct11723470030
93381573468
101330540568
11623067905
12311718908
1318286c016
14c89d0c40
157bc24398
hex4f4e7018

1330540568 has 32 divisors (see below), whose sum is σ = 2891324160. Its totient is φ = 562198560.

The previous prime is 1330540543. The next prime is 1330540579. The reversal of 1330540568 is 8650450331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163346 + ... + 171297.

It is an arithmetic number, because the mean of its divisors is an integer number (90353880).

Almost surely, 21330540568 is an apocalyptic number.

It is an amenable number.

1330540568 is an abundant number, since it is smaller than the sum of its proper divisors (1560783592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1330540568 is a wasteful number, since it uses less digits than its factorization.

1330540568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334727 (or 334723 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1330540568 is about 36476.5756068192. The cubic root of 1330540568 is about 1099.8734201454.

Adding to 1330540568 its reverse (8650450331), we get a palindrome (9980990899).

The spelling of 1330540568 in words is "one billion, three hundred thirty million, five hundred forty thousand, five hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 56 71 142 284 497 568 994 1988 3976 334643 669286 1338572 2342501 2677144 4685002 9370004 18740008 23759653 47519306 95038612 166317571 190077224 332635142 665270284 1330540568