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242512943922 = 231014332
BaseRepresentation
bin1110000111011011100…
…1011101101100110010
3212011222010220000000000
43201312321131230302
512433131303201142
6303224154010430
723343461003634
oct3416671355462
9764863800000
10242512943922
11939382641a7
123b001116a16
1319b3abb36b2
14ba4830ca54
15649589214c
hex3876e5db32

242512943922 has 66 divisors (see below), whose sum is σ = 546032084637. Its totient is φ = 80781236496.

The previous prime is 242512943887. The next prime is 242512943927. The reversal of 242512943922 is 229349215242.

242512943922 is a `hidden beast` number, since 2 + 4 + 2 + 512 + 9 + 43 + 92 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 212494262841 + 30018681081 = 460971^2 + 173259^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=348219.

It is not an unprimeable number, because it can be changed into a prime (242512943927) by changing a digit.

It is a polite number, since it can be written in 32 ways as a sum of consecutive naturals, for example, 169233718 + ... + 169235150.

Almost surely, 2242512943922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242512943922

242512943922 is an abundant number, since it is smaller than the sum of its proper divisors (303519140715).

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

242512943922 is an frugal number, since it uses more digits than its factorization.

242512943922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898 (or 1438 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 242512943922 in words is "two hundred forty-two billion, five hundred twelve million, nine hundred forty-three thousand, nine hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1433 1458 2187 2866 4299 4374 6561 8598 12897 13122 19683 25794 38691 39366 59049 77382 116073 118098 232146 348219 696438 1044657 2053489 2089314 3133971 4106978 6160467 6267942 9401913 12320934 18481401 18803826 28205739 36962802 55444203 56411478 84617217 110888406 166332609 169234434 332665218 498997827 997995654 1496993481 2993986962 4490980443 8981960886 13472941329 26945882658 40418823987 80837647974 121256471961 242512943922