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1613001145 = 57311486637
BaseRepresentation
bin110000000100100…
…0111000110111001
311011102010221121011
41200021013012321
511300412014040
6424020113521
754654166150
oct14011070671
94142127534
101613001145
117585516a8
123902358a1
131c9238662
1411431a597
159691b3ea
hex602471b9

1613001145 has 16 divisors (see below), whose sum is σ = 2283475968. Its totient is φ = 1070377920.

The previous prime is 1613001121. The next prime is 1613001179. The reversal of 1613001145 is 5411003161.

It is a de Polignac number, because none of the positive numbers 2k-1613001145 is a prime.

It is a super-2 number, since 2×16130011452 = 5203545387542622050, which contains 22 as substring.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 742234 + ... + 744403.

It is an arithmetic number, because the mean of its divisors is an integer number (142717248).

Almost surely, 21613001145 is an apocalyptic number.

It is an amenable number.

1613001145 is a deficient number, since it is larger than the sum of its proper divisors (670474823).

1613001145 is a wasteful number, since it uses less digits than its factorization.

1613001145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486680.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1613001145 is about 40162.1855107513. The cubic root of 1613001145 is about 1172.7665180346.

The spelling of 1613001145 in words is "one billion, six hundred thirteen million, one thousand, one hundred forty-five".

Divisors: 1 5 7 31 35 155 217 1085 1486637 7433185 10406459 46085747 52032295 230428735 322600229 1613001145