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3121614325212 = 22312719754119219
BaseRepresentation
bin101101011011001110101…
…101101000010111011100
3102001102102200002002211020
4231123032231220113130
5402121031231401322
610350014432324140
7441346340652015
oct55331655502734
912042380062736
103121614325212
11aa39619a7269
12424ba63a3650
131984a02c7496
14ab1307c200c
15563012c805c
hex2d6ceb685dc

3121614325212 has 96 divisors (see below), whose sum is σ = 7392406855680. Its totient is φ = 1025152692480.

The previous prime is 3121614325189. The next prime is 3121614325213. The reversal of 3121614325212 is 2125234161213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121614325213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162413739 + ... + 162432957.

It is an arithmetic number, because the mean of its divisors is an integer number (77004238080).

Almost surely, 23121614325212 is an apocalyptic number.

It is an amenable number.

3121614325212 is an abundant number, since it is smaller than the sum of its proper divisors (4270792530468).

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

3121614325212 is a wasteful number, since it uses less digits than its factorization.

3121614325212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20091 (or 20089 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

Adding to 3121614325212 its reverse (2125234161213), we get a palindrome (5246848486425).

The spelling of 3121614325212 in words is "three trillion, one hundred twenty-one billion, six hundred fourteen million, three hundred twenty-five thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 127 197 254 381 394 508 541 591 762 788 1082 1182 1524 1623 2164 2364 3246 6492 19219 25019 38438 50038 57657 68707 75057 76876 100076 106577 115314 137414 150114 206121 213154 230628 274828 300228 319731 412242 426308 639462 824484 1278924 2440813 3786143 4881626 7322439 7572286 9763252 10397479 11358429 13535279 14644878 15144572 20794958 22716858 27070558 29289756 31192437 40605837 41589916 45433716 54141116 62384874 81211674 124769748 162423348 480840161 961680322 1320479833 1442520483 1923360644 2048303363 2640959666 2885040966 3961439499 4096606726 5281919332 5770081932 6144910089 7922878998 8193213452 12289820178 15845757996 24579640356 260134527101 520269054202 780403581303 1040538108404 1560807162606 3121614325212