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231552542425425 = 352131571463932587
BaseRepresentation
bin110100101001100010000111…
…000010011100000101010001
31010100212012120210210201102120
4310221202013002130011101
5220322224101330103200
62140245434113004453
766526055600623254
oct6451420702340521
91110765523721376
10231552542425425
1167863977700681
1221b78525b53729
139c28407519390
1441272ba8a309b
151bb832ddb39a0
hexd2988709c151

231552542425425 has 96 divisors (see below), whose sum is σ = 412646295613440. Its totient is φ = 113894482924800.

The previous prime is 231552542425417. The next prime is 231552542425471. The reversal of 231552542425425 is 524524245255132.

It is a happy number.

It is not a de Polignac number, because 231552542425425 - 23 = 231552542425417 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7105655982 + ... + 7105688568.

It is an arithmetic number, because the mean of its divisors is an integer number (4298398912640).

Almost surely, 2231552542425425 is an apocalyptic number.

231552542425425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231552542425425 is a deficient number, since it is larger than the sum of its proper divisors (181093753188015).

231552542425425 is a wasteful number, since it uses less digits than its factorization.

231552542425425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38823 (or 38818 counting only the distinct ones).

The product of its digits is 19200000, while the sum is 51.

The spelling of 231552542425425 in words is "two hundred thirty-one trillion, five hundred fifty-two billion, five hundred forty-two million, four hundred twenty-five thousand, four hundred twenty-five".

Divisors: 1 3 5 13 15 25 39 65 75 195 325 975 1571 4639 4713 7855 13917 20423 23195 23565 32587 39275 60307 61269 69585 97761 102115 115975 117825 162935 180921 301535 306345 347925 423631 488805 510575 814675 904605 1270893 1507675 1531725 2118155 2444025 4523025 6354465 7287869 10590775 21863607 31772325 36439345 51194177 94742297 109318035 151171093 153582531 182196725 255970885 284226891 453513279 473711485 546590175 665524301 755855465 767912655 1279854425 1421134455 1965224209 1996572903 2267566395 2368557425 3327621505 3779277325 3839563275 5895672627 7105672275 9826121045 9982864515 11337831975 16638107525 29478363135 49130605225 49914322575 147391815675 237489787103 712469361309 1187448935515 3087367232339 3562346806545 5937244677575 9262101697017 15436836161695 17811734032725 46310508485085 77184180808475 231552542425425