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5811808494 = 237489129341
BaseRepresentation
bin1010110100110100…
…10010100011101110
3120000000221110110110
411122122102203232
543400310332434
62400411120450
7264010362042
oct53232224356
916000843413
105811808494
112512683818
121162443126
137180b754b
143d1c22022
152403624e9
hex15a6928ee

5811808494 has 16 divisors (see below), whose sum is σ = 11625258960. Its totient is φ = 1936995840.

The previous prime is 5811808477. The next prime is 5811808501. The reversal of 5811808494 is 4948081185.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19737 + ... + 109604.

It is an arithmetic number, because the mean of its divisors is an integer number (726578685).

Almost surely, 25811808494 is an apocalyptic number.

5811808494 is an abundant number, since it is smaller than the sum of its proper divisors (5813450466).

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

5811808494 is a wasteful number, since it uses less digits than its factorization.

5811808494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136835.

The product of its (nonzero) digits is 368640, while the sum is 48.

The square root of 5811808494 is about 76235.2181999894. The cubic root of 5811808494 is about 1797.9202825908.

The spelling of 5811808494 in words is "five billion, eight hundred eleven million, eight hundred eight thousand, four hundred ninety-four".

Divisors: 1 2 3 6 7489 14978 22467 44934 129341 258682 388023 776046 968634749 1937269498 2905904247 5811808494