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3013120789 = 72371661953
BaseRepresentation
bin1011001110011000…
…1001001100010101
321202222201101200021
42303212021030111
522132324331124
61214553345141
7134445050500
oct26346111425
97688641607
103013120789
111306912278
127011081b1
13390329713
14208260137
151297d67e4
hexb3989315

3013120789 has 12 divisors (see below), whose sum is σ = 3599792364. Its totient is φ = 2512871424.

The previous prime is 3013120769. The next prime is 3013120801. The reversal of 3013120789 is 9870213103.

It can be written as a sum of positive squares in 2 ways, for example, as 2067066225 + 946054564 = 45465^2 + 30758^2 .

It is not a de Polignac number, because 3013120789 - 219 = 3012596501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3013120769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 829164 + ... + 832789.

It is an arithmetic number, because the mean of its divisors is an integer number (299982697).

Almost surely, 23013120789 is an apocalyptic number.

It is an amenable number.

3013120789 is a deficient number, since it is larger than the sum of its proper divisors (586671575).

3013120789 is a wasteful number, since it uses less digits than its factorization.

3013120789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662004 (or 1661997 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 3013120789 is about 54891.9009417601. The cubic root of 3013120789 is about 1444.3491182283.

The spelling of 3013120789 in words is "three billion, thirteen million, one hundred twenty thousand, seven hundred eighty-nine".

Divisors: 1 7 37 49 259 1813 1661953 11633671 61492261 81435697 430445827 3013120789