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12304113140 = 22511521107347
BaseRepresentation
bin10110111010110000…
…11101110111110100
31011202111100201011002
423131120131313310
5200144323110030
65352531502432
7613623143654
oct133530356764
934674321132
1012304113140
115244395350
122474757a18
131211172827
1484a182364
154c02e3245
hex2dd61ddf4

12304113140 has 48 divisors (see below), whose sum is σ = 28241970624. Its totient is φ = 4465593600.

The previous prime is 12304113139. The next prime is 12304113193. The reversal of 12304113140 is 4131140321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60947 + ... + 168293.

It is an arithmetic number, because the mean of its divisors is an integer number (588374388).

Almost surely, 212304113140 is an apocalyptic number.

12304113140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12304113140 is an abundant number, since it is smaller than the sum of its proper divisors (15937857484).

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

12304113140 is a wasteful number, since it uses less digits than its factorization.

12304113140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107888 (or 107886 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12304113140 its reverse (4131140321), we get a palindrome (16435253461).

The spelling of 12304113140 in words is "twelve billion, three hundred four million, one hundred thirteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 521 1042 2084 2605 5210 5731 10420 11462 22924 28655 57310 107347 114620 214694 429388 536735 1073470 1180817 2146940 2361634 4723268 5904085 11808170 23616340 55927787 111855574 223711148 279638935 559277870 615205657 1118555740 1230411314 2460822628 3076028285 6152056570 12304113140