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2058815863 = 13158370451
BaseRepresentation
bin111101010110111…
…0000100101110111
312022111000200102101
41322231300211313
513204024101423
6540143322531
7102006434416
oct17255604567
95274020371
102058815863
11967169915
124955b0447
1326a6cb350
1415760947d
15c0b2e7ad
hex7ab70977

2058815863 has 4 divisors (see below), whose sum is σ = 2217186328. Its totient is φ = 1900445400.

The previous prime is 2058815849. The next prime is 2058815867. The reversal of 2058815863 is 3685188502.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2058815863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2058815867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79185213 + ... + 79185238.

It is an arithmetic number, because the mean of its divisors is an integer number (554296582).

Almost surely, 22058815863 is an apocalyptic number.

2058815863 is a deficient number, since it is larger than the sum of its proper divisors (158370465).

2058815863 is a wasteful number, since it uses less digits than its factorization.

2058815863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158370464.

The product of its (nonzero) digits is 460800, while the sum is 46.

The square root of 2058815863 is about 45374.1761688298. The cubic root of 2058815863 is about 1272.1524791088.

The spelling of 2058815863 in words is "two billion, fifty-eight million, eight hundred fifteen thousand, eight hundred sixty-three".

Divisors: 1 13 158370451 2058815863