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2031034489 = 1121722412
BaseRepresentation
bin111100100001111…
…0010000001111001
312020112202020112121
41321003302001321
513124421100424
6533312041241
7101221336231
oct17103620171
95215666477
102031034489
11952514300
12488233221
13264a22173
14153a56cc1
15bd492ee4
hex790f2079

2031034489 has 27 divisors (see below), whose sum is σ = 2381386413. Its totient is φ = 1730572800.

The previous prime is 2031034483. The next prime is 2031034519. The reversal of 2031034489 is 9844301302.

The square root of 2031034489 is 45067.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 572405625 + 1458628864 = 23925^2 + 38192^2 .

It is not a de Polignac number, because 2031034489 - 213 = 2031026297 is a prime.

It is a super-2 number, since 2×20310344892 = 8250202191014982242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031034483) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8427409 + ... + 8427649.

Almost surely, 22031034489 is an apocalyptic number.

2031034489 is the 45067-th square number.

2031034489 is the 22534-th centered octagonal number.

It is an amenable number.

2031034489 is a deficient number, since it is larger than the sum of its proper divisors (350351924).

2031034489 is an equidigital number, since it uses as much as digits as its factorization.

2031034489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The cubic root of 2031034489 is about 1266.4044640637.

Multiplying 2031034489 by its product of nonzero digits (20736), we get a square (42115531163904 = 64896482).

The spelling of 2031034489 in words is "two billion, thirty-one million, thirty-four thousand, four hundred eighty-nine".