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80679081741 = 360103447449
BaseRepresentation
bin100101100100011011…
…0010001011100001101
321201020122221000000120
41023020312101130031
52310212321103431
6101021412415153
75554205610516
oct1131066213415
9251218830016
1080679081741
1131241269265
12137773174b9
1377b9a2bb2b
143c95029a0d
152172e0d196
hex12c8d9170d

80679081741 has 8 divisors (see below), whose sum is σ = 107574139200. Its totient is φ = 53785039392.

The previous prime is 80679081731. The next prime is 80679081761. The reversal of 80679081741 is 14718097608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80679081741 - 25 = 80679081709 is a prime.

It is a super-2 number, since 2×806790817412 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80679081701) by changing a digit.

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, 43416 + ... + 404033.

It is an arithmetic number, because the mean of its divisors is an integer number (13446767400).

Almost surely, 280679081741 is an apocalyptic number.

It is an amenable number.

80679081741 is a deficient number, since it is larger than the sum of its proper divisors (26895057459).

80679081741 is a wasteful number, since it uses less digits than its factorization.

80679081741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507555.

The product of its (nonzero) digits is 677376, while the sum is 51.

The spelling of 80679081741 in words is "eighty billion, six hundred seventy-nine million, eighty-one thousand, seven hundred forty-one".

Divisors: 1 3 60103 180309 447449 1342347 26893027247 80679081741