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80158040641 = 797156775337
BaseRepresentation
bin100101010100111001…
…0101010001001000001
321122220100111101000001
41022221302222021001
52303130424300031
6100454001000001
75535251050330
oct1125162521101
9248810441001
1080158040641
1130aa4140388
1213650923001
137735aba7a3
143c45b57d17
1521422da861
hex12a9caa241

80158040641 has 16 divisors (see below), whose sum is σ = 92613907456. Its totient is φ = 67954277376.

The previous prime is 80158040639. The next prime is 80158040659. The reversal of 80158040641 is 14604085108.

It is a cyclic number.

It is not a de Polignac number, because 80158040641 - 21 = 80158040639 is a prime.

It is a super-2 number, since 2×801580406412 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80158040641.

It is not an unprimeable number, because it can be changed into a prime (80158040621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1026325 + ... + 1101661.

It is an arithmetic number, because the mean of its divisors is an integer number (5788369216).

Almost surely, 280158040641 is an apocalyptic number.

It is an amenable number.

80158040641 is a deficient number, since it is larger than the sum of its proper divisors (12455866815).

80158040641 is a wasteful number, since it uses less digits than its factorization.

80158040641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77008.

The product of its (nonzero) digits is 30720, while the sum is 37.

The spelling of 80158040641 in words is "eighty billion, one hundred fifty-eight million, forty thousand, six hundred forty-one".

Divisors: 1 7 97 679 1567 10969 75337 151999 527359 1063993 7307689 51153823 118053079 826371553 11451148663 80158040641