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20315101432212 = 22333116337225963
BaseRepresentation
bin1001001111001111110100…
…11001111000100110010100
32122221002211100101202221000
410213213322121320212110
510130320311431312322
6111112343451223300
74164501103012356
oct447477231704624
978832740352830
1020315101432212
11652264a165924
122341252447b30
13b44923984042
14503382c690d6
152536981e33ac
hex1279fa678994

20315101432212 has 96 divisors (see below), whose sum is σ = 54701320540160. Its totient is φ = 6513054311520.

The previous prime is 20315101432193. The next prime is 20315101432267. The reversal of 20315101432212 is 21223410151302.

It is a happy number.

20315101432212 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 5 + 10 + 1 + 432 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18067258 + ... + 19158705.

Almost surely, 220315101432212 is an apocalyptic number.

It is an amenable number.

20315101432212 is an abundant number, since it is smaller than the sum of its proper divisors (34386219107948).

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

20315101432212 is a wasteful number, since it uses less digits than its factorization.

20315101432212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37226170 (or 37226162 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 20315101432212 its reverse (21223410151302), we get a palindrome (41538511583514).

The spelling of 20315101432212 in words is "twenty trillion, three hundred fifteen billion, one hundred one million, four hundred thirty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 31 36 54 62 93 108 124 163 186 279 326 372 489 558 652 837 978 1116 1467 1674 1956 2934 3348 4401 5053 5868 8802 10106 15159 17604 20212 30318 45477 60636 90954 136431 181908 272862 545724 37225963 74451926 111677889 148903852 223355778 335033667 446711556 670067334 1005101001 1154004853 1340134668 2010202002 2308009706 3462014559 4020404004 4616019412 6067831969 6924029118 10386043677 12135663938 13848058236 18203495907 20772087354 24271327876 31158131031 36406991814 41544174708 54610487721 62316262062 72813983628 109220975442 124632524124 163831463163 188102791039 218441950884 327662926326 376205582078 564308373117 655325852652 752411164156 1128616746234 1692925119351 2257233492468 3385850238702 5078775358053 6771700477404 10157550716106 20315101432212