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80198796737157 = 372545570045831
BaseRepresentation
bin10010001111000010111100…
…110010100111101010000101
3101111221221010000222121210220
4102033002330302213222011
541002434113431042112
6442322452452334553
722615112642366400
oct2217027462475205
9344857100877726
1080198796737157
1123610133a8613a
128bb3092914459
133599938ab6a37
1415b38dcd36d37
1594124c42a98c
hex48f0bcca7a85

80198796737157 has 12 divisors (see below), whose sum is σ = 124389970449696. Its totient is φ = 45827883849720.

The previous prime is 80198796737119. The next prime is 80198796737233. The reversal of 80198796737157 is 75173769789108.

It is not a de Polignac number, because 80198796737157 - 218 = 80198796475013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80198791737157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272785022769 + ... + 272785023062.

It is an arithmetic number, because the mean of its divisors is an integer number (10365830870808).

Almost surely, 280198796737157 is an apocalyptic number.

It is an amenable number.

80198796737157 is a deficient number, since it is larger than the sum of its proper divisors (44191173712539).

80198796737157 is a wasteful number, since it uses less digits than its factorization.

80198796737157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545570045848 (or 545570045841 counting only the distinct ones).

The product of its (nonzero) digits is 1120210560, while the sum is 78.

The spelling of 80198796737157 in words is "eighty trillion, one hundred ninety-eight billion, seven hundred ninety-six million, seven hundred thirty-seven thousand, one hundred fifty-seven".

Divisors: 1 3 7 21 49 147 545570045831 1636710137493 3818990320817 11456970962451 26732932245719 80198796737157