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80373073730 = 2573983311197
BaseRepresentation
bin100101011011010011…
…0111100011101000010
321200110100010011221112
41022312212330131002
52304101001324410
6100531201523322
75543501566055
oct1126646743502
9250410104845
1080373073730
11310a4560984
12136b0943542
13776b5094c1
143c66530a9c
152156114105
hex12b69bc742

80373073730 has 32 divisors (see below), whose sum is σ = 146681347824. Its totient is φ = 31702772736.

The previous prime is 80373073727. The next prime is 80373073751. The reversal of 80373073730 is 3737037308.

It can be written as a sum of positive squares in 8 ways, for example, as 26818320169 + 53554753561 = 163763^2 + 231419^2 .

It is a super-2 number, since 2×803730737302 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7172492 + ... + 7183688.

Almost surely, 280373073730 is an apocalyptic number.

80373073730 is a deficient number, since it is larger than the sum of its proper divisors (66308274094).

80373073730 is a wasteful number, since it uses less digits than its factorization.

80373073730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21110.

The product of its (nonzero) digits is 222264, while the sum is 41.

The spelling of 80373073730 in words is "eighty billion, three hundred seventy-three million, seventy-three thousand, seven hundred thirty".

Divisors: 1 2 5 10 73 146 365 730 9833 11197 19666 22394 49165 55985 98330 111970 717809 817381 1435618 1634762 3589045 4086905 7178090 8173810 110100101 220200202 550500505 1101001010 8037307373 16074614746 40186536865 80373073730