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2349000081 = 3518153407
BaseRepresentation
bin1000110000000010…
…1110010110010001
320001201001120100000
42030000232112101
514302321000311
61025031120213
7112132112511
oct21400562621
96051046300
102349000081
11aa5a4958a
12556813069
132b587039c
14183d85841
15db350056
hex8c02e591

2349000081 has 24 divisors (see below), whose sum is σ = 3538173184. Its totient is φ = 1557318960.

The previous prime is 2349000067. The next prime is 2349000089. The reversal of 2349000081 is 1800009432.

It is not a de Polignac number, because 2349000081 - 217 = 2348869009 is a prime.

It is a super-2 number, since 2×23490000812 = 11035602761076013122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2349000089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17280 + ... + 70686.

Almost surely, 22349000081 is an apocalyptic number.

It is an amenable number.

2349000081 is a deficient number, since it is larger than the sum of its proper divisors (1189173103).

2349000081 is an equidigital number, since it uses as much as digits as its factorization.

2349000081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53603 (or 53591 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2349000081 is about 48466.4840998396. The cubic root of 2349000081 is about 1329.3143017876.

The spelling of 2349000081 in words is "two billion, three hundred forty-nine million, eighty-one", and thus it is an aban number.

Divisors: 1 3 9 27 81 181 243 543 1629 4887 14661 43983 53407 160221 480663 1441989 4325967 9666667 12977901 29000001 87000003 261000009 783000027 2349000081