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12310032032 = 252322773681
BaseRepresentation
bin10110111011011110…
…00010111010100000
31011202220111102100022
423131233002322200
5200202332011112
65353302413012
7614024355134
oct133557027240
934686442308
1012310032032
1152477682a1
122476731168
13121246592c
1484ac833c4
154c0ab1d72
hex2ddbc2ea0

12310032032 has 48 divisors (see below), whose sum is σ = 25400837952. Its totient is φ = 5861391360.

The previous prime is 12310032029. The next prime is 12310032067. The reversal of 12310032032 is 23023001321.

It is a self number, because there is not a number n which added to its sum of digits gives 12310032032.

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, 130232 + ... + 203912.

It is an arithmetic number, because the mean of its divisors is an integer number (529184124).

Almost surely, 212310032032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12310032032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12700418976).

12310032032 is an abundant number, since it is smaller than the sum of its proper divisors (13090805920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12310032032 is a wasteful number, since it uses less digits than its factorization.

12310032032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73941 (or 73933 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12310032032 its reverse (23023001321), we get a palindrome (35333033353).

The spelling of 12310032032 in words is "twelve billion, three hundred ten million, thirty-two thousand, thirty-two".

Divisors: 1 2 4 8 16 23 32 46 92 184 227 368 454 736 908 1816 3632 5221 7264 10442 20884 41768 73681 83536 147362 167072 294724 589448 1178896 1694663 2357792 3389326 6778652 13557304 16725587 27114608 33451174 54229216 66902348 133804696 267609392 384688501 535218784 769377002 1538754004 3077508008 6155016016 12310032032