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12694140230 = 254751972
BaseRepresentation
bin10111101001010000…
…10011010101000110
31012202200021010201212
423310220103111012
5201444144441410
65455343251422
7626400261122
oct136450232506
935680233655
1012694140230
115424569492
1225632a9b72
131273c019a5
14885cac582
154e4686b05
hex2f4a13546

12694140230 has 24 divisors (see below), whose sum is σ = 23340102048. Its totient is φ = 4968664608.

The previous prime is 12694140223. The next prime is 12694140241. The reversal of 12694140230 is 3204149621.

It is a super-2 number, since 2×126941402302 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 2439992 + ... + 2445188.

It is an arithmetic number, because the mean of its divisors is an integer number (972504252).

Almost surely, 212694140230 is an apocalyptic number.

12694140230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12694140230 is a deficient number, since it is larger than the sum of its proper divisors (10645961818).

12694140230 is an frugal number, since it uses more digits than its factorization.

12694140230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10448 (or 5251 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 12694140230 its reverse (3204149621), we get a palindrome (15898289851).

The spelling of 12694140230 in words is "twelve billion, six hundred ninety-four million, one hundred forty thousand, two hundred thirty".

Divisors: 1 2 5 10 47 94 235 470 5197 10394 25985 51970 244259 488518 1221295 2442590 27008809 54017618 135044045 270088090 1269414023 2538828046 6347070115 12694140230