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8144164794 = 2337474311811
BaseRepresentation
bin1111001010110111…
…00001011110111010
3210000120200102211010
413211123201132322
5113134401233134
63424045414350
7405551154453
oct74533413672
923016612733
108144164794
1134aa194607
1216b356a3b6
139ca37b02c
145738b412a
15329ec5ce9
hex1e56e17ba

8144164794 has 64 divisors (see below), whose sum is σ = 17133576192. Its totient is φ = 2577729600.

The previous prime is 8144164771. The next prime is 8144164813. The reversal of 8144164794 is 4974614418.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4496149 + ... + 4497959.

It is an arithmetic number, because the mean of its divisors is an integer number (267712128).

Almost surely, 28144164794 is an apocalyptic number.

8144164794 is an abundant number, since it is smaller than the sum of its proper divisors (8989411398).

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

8144164794 is a wasteful number, since it uses less digits than its factorization.

8144164794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331.

The product of its digits is 774144, while the sum is 48.

The square root of 8144164794 is about 90245.0264225126. The cubic root of 8144164794 is about 2011.9422818533.

The spelling of 8144164794 in words is "eight billion, one hundred forty-four million, one hundred sixty-four thousand, seven hundred ninety-four".

Divisors: 1 2 3 6 37 47 74 94 111 141 222 282 431 862 1293 1739 1811 2586 3478 3622 5217 5433 10434 10866 15947 20257 31894 40514 47841 60771 67007 85117 95682 121542 134014 170234 201021 255351 402042 510702 749509 780541 1499018 1561082 2248527 2341623 3149329 4497054 4683246 6298658 9447987 18895974 28880017 36685427 57760034 73370854 86640051 110056281 173280102 220112562 1357360799 2714721598 4072082397 8144164794