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21410031130 = 2537367715737
BaseRepresentation
bin10011111100001000…
…110010011000011010
32001021002202021022221
4103330020302120122
5322321431444010
613500255134254
71355363155555
oct237410623032
961232667287
1021410031130
11909744a304
12419621438a
132032859197
14107168969c
15854942dda
hex4fc23261a

21410031130 has 32 divisors (see below), whose sum is σ = 39592904976. Its totient is φ = 8329757184.

The previous prime is 21410031127. The next prime is 21410031131. The reversal of 21410031130 is 3113001412.

It can be written as a sum of positive squares in 8 ways, for example, as 20312235441 + 1097795689 = 142521^2 + 33133^2 .

It is not an unprimeable number, because it can be changed into a prime (21410031131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1352622 + ... + 1368358.

Almost surely, 221410031130 is an apocalyptic number.

21410031130 is a deficient number, since it is larger than the sum of its proper divisors (18182873846).

21410031130 is a wasteful number, since it uses less digits than its factorization.

21410031130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19458.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21410031130 its reverse (3113001412), we get a palindrome (24523032542).

The spelling of 21410031130 in words is "twenty-one billion, four hundred ten million, thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 3677 7354 15737 18385 31474 36770 78685 136049 157370 272098 582269 680245 1164538 1360490 2911345 5822690 57864949 115729898 289324745 578649490 2141003113 4282006226 10705015565 21410031130