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1613048863 = 1980181463
BaseRepresentation
bin110000000100101…
…0010110000011111
311011102020101001111
41200021102300133
511300420030423
6424021122451
754654455236
oct14011226037
94142211044
101613048863
11758584538
12390259427
131c92542aa
1411432db1d
159692a60d
hex60252c1f

1613048863 has 4 divisors (see below), whose sum is σ = 1613150128. Its totient is φ = 1612947600.

The previous prime is 1613048851. The next prime is 1613048867. The reversal of 1613048863 is 3688403161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1613048863 - 229 = 1076177951 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 (1613048867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20931 + ... + 60532.

It is an arithmetic number, because the mean of its divisors is an integer number (403287532).

Almost surely, 21613048863 is an apocalyptic number.

1613048863 is a deficient number, since it is larger than the sum of its proper divisors (101265).

1613048863 is an equidigital number, since it uses as much as digits as its factorization.

1613048863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101264.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1613048863 is about 40162.7795726342. The cubic root of 1613048863 is about 1172.7780827135.

The spelling of 1613048863 in words is "one billion, six hundred thirteen million, forty-eight thousand, eight hundred sixty-three".

Divisors: 1 19801 81463 1613048863