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80680259373 = 3723936743801
BaseRepresentation
bin100101100100011101…
…0110000111100101101
321201020202010211102120
41023020322300330231
52310213121244443
6101021453543153
75554221614040
oct1131072607455
9251222124376
1080680259373
11312419a300a
12137777a4ab9
1377ba051b5c
143c95254c57
152173092083
hex12c8eb0f2d

80680259373 has 32 divisors (see below), whose sum is σ = 123794964480. Its totient is φ = 45783964800.

The previous prime is 80680259369. The next prime is 80680259377. The reversal of 80680259373 is 37395208608.

It is an interprime number because it is at equal distance from previous prime (80680259369) and next prime (80680259377).

It is not a de Polignac number, because 80680259373 - 22 = 80680259369 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80680259377) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1820073 + ... + 1863873.

It is an arithmetic number, because the mean of its divisors is an integer number (3868592640).

Almost surely, 280680259373 is an apocalyptic number.

It is an amenable number.

80680259373 is a deficient number, since it is larger than the sum of its proper divisors (43114705107).

80680259373 is a wasteful number, since it uses less digits than its factorization.

80680259373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44417.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 80680259373 in words is "eighty billion, six hundred eighty million, two hundred fifty-nine thousand, three hundred seventy-three".

Divisors: 1 3 7 21 239 367 717 1101 1673 2569 5019 7707 43801 87713 131403 263139 306607 613991 919821 1841973 10468439 16074967 31405317 48224901 73279073 112524769 219837219 337574307 3841917113 11525751339 26893419791 80680259373