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12312030232 = 232071774287
BaseRepresentation
bin10110111011101101…
…01010110000011000
31011210001020221100201
423131312222300120
5200203334431412
65353413311544
7614050346605
oct133566526030
934701227321
1012312030232
1152489025a7
1224773355b4
1312129b52b8
1484b2436ac
154c0d58e57
hex2dddaac18

12312030232 has 16 divisors (see below), whose sum is σ = 23086481760. Its totient is φ = 6155635104.

The previous prime is 12312030209. The next prime is 12312030251. The reversal of 12312030232 is 23203021321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128593 + ... + 202879.

It is an arithmetic number, because the mean of its divisors is an integer number (1442905110).

Almost surely, 212312030232 is an apocalyptic number.

It is an amenable number.

12312030232 is a deficient number, since it is larger than the sum of its proper divisors (10774451528).

12312030232 is a wasteful number, since it uses less digits than its factorization.

12312030232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95010 (or 95006 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12312030232 its reverse (23203021321), we get a palindrome (35515051553).

The spelling of 12312030232 in words is "twelve billion, three hundred twelve million, thirty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 20717 41434 74287 82868 148574 165736 297148 594296 1539003779 3078007558 6156015116 12312030232