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130231400234 = 21317294641177
BaseRepresentation
bin111100101001001100…
…1010111011100101010
3110110011001100121001212
41321102121113130222
54113203214301414
6135454422513122
712260153431415
oct1712231273452
9413131317055
10130231400234
115025a2595a1
12212a62957a2
13c385b04250
146436102b7c
1535c332183e
hex1e5265772a

130231400234 has 16 divisors (see below), whose sum is σ = 222748730568. Its totient is φ = 56571105792.

The previous prime is 130231400227. The next prime is 130231400261. The reversal of 130231400234 is 432004132031.

It can be written as a sum of positive squares in 4 ways, for example, as 126803649025 + 3427751209 = 356095^2 + 58547^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147320147 + ... + 147321030.

Almost surely, 2130231400234 is an apocalyptic number.

130231400234 is a deficient number, since it is larger than the sum of its proper divisors (92517330334).

130231400234 is a wasteful number, since it uses less digits than its factorization.

130231400234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294641209.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 130231400234 its reverse (432004132031), we get a palindrome (562235532265).

The spelling of 130231400234 in words is "one hundred thirty billion, two hundred thirty-one million, four hundred thousand, two hundred thirty-four".

Divisors: 1 2 13 17 26 34 221 442 294641177 589282354 3830335301 5008900009 7660670602 10017800018 65115700117 130231400234