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8137680455 = 51627536091
BaseRepresentation
bin1111001010000101…
…10010011001000111
3210000010110222222102
413211002302121013
5113131221233310
63423254422315
7405442066622
oct74502623107
923003428872
108137680455
1134a6565853
1216b136199b
139c8c1a748
14572aa6db9
153296448a5
hex1e50b2647

8137680455 has 4 divisors (see below), whose sum is σ = 9765216552. Its totient is φ = 6510144360.

The previous prime is 8137680437. The next prime is 8137680491. The reversal of 8137680455 is 5540867318.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8137680455 - 230 = 7063938631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813768041 + ... + 813768050.

It is an arithmetic number, because the mean of its divisors is an integer number (2441304138).

Almost surely, 28137680455 is an apocalyptic number.

8137680455 is a deficient number, since it is larger than the sum of its proper divisors (1627536097).

8137680455 is a wasteful number, since it uses less digits than its factorization.

8137680455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627536096.

The product of its (nonzero) digits is 806400, while the sum is 47.

The square root of 8137680455 is about 90209.0929729370. The cubic root of 8137680455 is about 2011.4081743018.

The spelling of 8137680455 in words is "eight billion, one hundred thirty-seven million, six hundred eighty thousand, four hundred fifty-five".

Divisors: 1 5 1627536091 8137680455