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12145316732 = 2217641278639
BaseRepresentation
bin10110100111110101…
…01101001101111100
31011100102120000102122
423103322231031330
5144333200113412
65325100142112
7606654326453
oct132372551574
934312500378
1012145316732
11517279524a
12242b537938
1311b72b3b63
14833047b9a
154b13c7572
hex2d3ead37c

12145316732 has 24 divisors (see below), whose sum is σ = 22539746880. Its totient is φ = 5706506240.

The previous prime is 12145316723. The next prime is 12145316767. The reversal of 12145316732 is 23761354121.

It is a super-3 number, since 3×121453167323 (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12145316692 and 12145316701.

It is a congruent number.

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, 95732 + ... + 182907.

It is an arithmetic number, because the mean of its divisors is an integer number (939156120).

Almost surely, 212145316732 is an apocalyptic number.

It is an amenable number.

12145316732 is a deficient number, since it is larger than the sum of its proper divisors (10394430148).

12145316732 is a wasteful number, since it uses less digits than its factorization.

12145316732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279301 (or 279299 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The spelling of 12145316732 in words is "twelve billion, one hundred forty-five million, three hundred sixteen thousand, seven hundred thirty-two".

Divisors: 1 2 4 17 34 68 641 1282 2564 10897 21794 43588 278639 557278 1114556 4736863 9473726 18947452 178607599 357215198 714430396 3036329183 6072658366 12145316732