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1616305013 = 2325357649
BaseRepresentation
bin110000001010110…
…1101101101110101
311011122100210122122
41200111231231311
511302233230023
6424215005325
755024236341
oct14025555565
94148323578
101616305013
1175a3a8974
12391369845
131c9b243cb
1411493a621
1596d702c8
hex6056db75

1616305013 has 12 divisors (see below), whose sum is σ = 1721544300. Its totient is φ = 1516834176.

The previous prime is 1616304973. The next prime is 1616305049. The reversal of 1616305013 is 3105036161.

It can be written as a sum of positive squares in 2 ways, for example, as 1468269124 + 148035889 = 38318^2 + 12167^2 .

It is not a de Polignac number, because 1616305013 - 216 = 1616239477 is a prime.

It is a super-2 number, since 2×16163050132 = 5224883790097860338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616305913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 788 + ... + 56861.

It is an arithmetic number, because the mean of its divisors is an integer number (143462025).

Almost surely, 21616305013 is an apocalyptic number.

It is an amenable number.

1616305013 is a deficient number, since it is larger than the sum of its proper divisors (105239287).

1616305013 is an equidigital number, since it uses as much as digits as its factorization.

1616305013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57748 (or 57725 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1616305013 is about 40203.2960464686. The cubic root of 1616305013 is about 1173.5666876088.

The spelling of 1616305013 in words is "one billion, six hundred sixteen million, three hundred five thousand, thirteen".

Divisors: 1 23 53 529 1219 28037 57649 1325927 3055397 30496321 70274131 1616305013