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2568145458 = 231907224449
BaseRepresentation
bin1001100100010010…
…1100101000110010
320121222102022021110
42121010230220302
520224421123313
61102500134150
7120432606354
oct23104545062
96558368243
102568145458
1110a871876a
125b8097356
1331c09bac8
141a510d0d4
151006dbec3
hex9912ca32

2568145458 has 16 divisors (see below), whose sum is σ = 5139007200. Its totient is φ = 855595776.

The previous prime is 2568145439. The next prime is 2568145487. The reversal of 2568145458 is 8545418652.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100783 + ... + 123666.

It is an arithmetic number, because the mean of its divisors is an integer number (321187950).

Almost surely, 22568145458 is an apocalyptic number.

2568145458 is an abundant number, since it is smaller than the sum of its proper divisors (2570861742).

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

2568145458 is a wasteful number, since it uses less digits than its factorization.

2568145458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226361.

The product of its digits is 1536000, while the sum is 48.

The square root of 2568145458 is about 50676.8730092929. The cubic root of 2568145458 is about 1369.4301105305.

The spelling of 2568145458 in words is "two billion, five hundred sixty-eight million, one hundred forty-five thousand, four hundred fifty-eight".

Divisors: 1 2 3 6 1907 3814 5721 11442 224449 448898 673347 1346694 428024243 856048486 1284072729 2568145458