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1613053465 = 51213265961
BaseRepresentation
bin110000000100101…
…0011111000011001
311011102020121100221
41200021103320121
511300420202330
6424021200041
754654504532
oct14011237031
94142217327
101613053465
11758587a41
12390260021
131c925640a
14114331689
159692bb7a
hex60253e19

1613053465 has 8 divisors (see below), whose sum is σ = 1937267208. Its totient is φ = 1289374080.

The previous prime is 1613053391. The next prime is 1613053493. The reversal of 1613053465 is 5643503161.

It can be written as a sum of positive squares in 4 ways, for example, as 25190361 + 1587863104 = 5019^2 + 39848^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1613053465 - 221 = 1610956313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1613053465.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 126916 + ... + 139045.

It is an arithmetic number, because the mean of its divisors is an integer number (242158401).

Almost surely, 21613053465 is an apocalyptic number.

It is an amenable number.

1613053465 is a deficient number, since it is larger than the sum of its proper divisors (324213743).

1613053465 is a wasteful number, since it uses less digits than its factorization.

1613053465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267179.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 1613053465 is about 40162.8368644447. The cubic root of 1613053465 is about 1172.7791980175.

The spelling of 1613053465 in words is "one billion, six hundred thirteen million, fifty-three thousand, four hundred sixty-five".

Divisors: 1 5 1213 6065 265961 1329805 322610693 1613053465