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2147130466 = 213219973181
BaseRepresentation
bin111111111111010…
…1001110001100010
312112122012112021121
41333332221301202
513344131133331
6553020242454
7104131210405
oct17776516142
95478175247
102147130466
11a01aa9998
124bb0a042a
13282ab0100
14165237d3c
15c8776c11
hex7ffa9c62

2147130466 has 24 divisors (see below), whose sum is σ = 3490342164. Its totient is φ = 990175680.

The previous prime is 2147130443. The next prime is 2147130487. The reversal of 2147130466 is 6640317412.

It can be written as a sum of positive squares in 6 ways, for example, as 63664441 + 2083466025 = 7979^2 + 45645^2 .

It is a super-2 number, since 2×21471304662 = 9220338476050754312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 673396 + ... + 676576.

Almost surely, 22147130466 is an apocalyptic number.

2147130466 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2147130466 is a deficient number, since it is larger than the sum of its proper divisors (1343211698).

2147130466 is a wasteful number, since it uses less digits than its factorization.

2147130466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5206 (or 5193 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 2147130466 is about 46337.1391650369. The cubic root of 2147130466 is about 1290.0884233201.

Adding to 2147130466 its reverse (6640317412), we get a palindrome (8787447878).

The spelling of 2147130466 in words is "two billion, one hundred forty-seven million, one hundred thirty thousand, four hundred sixty-six".

Divisors: 1 2 13 26 169 338 1997 3181 3994 6362 25961 41353 51922 82706 337493 537589 674986 1075178 6352457 12704914 82581941 165163882 1073565233 2147130466