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3147121090 = 251718512477
BaseRepresentation
bin1011101110010101…
…0100000111000010
322010022212022112101
42323211110013002
522421130333330
61240141421014
7140663042101
oct27345240702
98108768471
103147121090
111375516723
12739b6a76a
133b2015c39
1421bd82038
151364554ca
hexbb9541c2

3147121090 has 16 divisors (see below), whose sum is σ = 5998042872. Its totient is φ = 1184798464.

The previous prime is 3147121067. The next prime is 3147121097. The reversal of 3147121090 is 901217413.

It can be written as a sum of positive squares in 4 ways, for example, as 2200266649 + 946854441 = 46907^2 + 30771^2 .

It is a super-3 number, since 3×31471210903 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3147121097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9256069 + ... + 9256408.

Almost surely, 23147121090 is an apocalyptic number.

3147121090 is a deficient number, since it is larger than the sum of its proper divisors (2850921782).

3147121090 is a wasteful number, since it uses less digits than its factorization.

3147121090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18512501.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 3147121090 is about 56099.2075701609. The cubic root of 3147121090 is about 1465.4504922167.

The spelling of 3147121090 in words is "three billion, one hundred forty-seven million, one hundred twenty-one thousand, ninety".

Divisors: 1 2 5 10 17 34 85 170 18512477 37024954 92562385 185124770 314712109 629424218 1573560545 3147121090