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80613341231 = 478919271657
BaseRepresentation
bin100101100010011101…
…1011111100000101111
321201002002020000222212
41023010323133200233
52310044003404411
6101011103401035
75552450044313
oct1130473374057
9251062200885
1080613341231
1131208147465
12137592b317b
1377a9222017
143c8a3d5b43
15216c27468b
hex12c4edf82f

80613341231 has 8 divisors (see below), whose sum is σ = 83253562560. Its totient is φ = 78011663488.

The previous prime is 80613341219. The next prime is 80613341251. The reversal of 80613341231 is 13214331608.

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

It is a cyclic number.

It is not a de Polignac number, because 80613341231 - 26 = 80613341167 is a prime.

It is a super-2 number, since 2×806133412312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80613341251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9631646 + ... + 9640011.

It is an arithmetic number, because the mean of its divisors is an integer number (10406695320).

Almost surely, 280613341231 is an apocalyptic number.

80613341231 is a deficient number, since it is larger than the sum of its proper divisors (2640221329).

80613341231 is a wasteful number, since it uses less digits than its factorization.

80613341231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19271793.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 80613341231 its reverse (13214331608), we get a palindrome (93827672839).

The spelling of 80613341231 in words is "eighty billion, six hundred thirteen million, three hundred forty-one thousand, two hundred thirty-one".

Divisors: 1 47 89 4183 19271657 905767879 1715177473 80613341231