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240251142243025 = 5252118445385201
BaseRepresentation
bin110110101000000111010011…
…111111011000001011010001
31011111122210012011222212212101
4312220013103333120023101
5222442233314403234100
62210545503455400401
7101414400162253564
oct6650072377301321
91144583164885771
10240251142243025
116a607a34509771
1222b42345523101
13a40977c466974
1443483084c84db
151cb973c00286a
hexda81d3fd82d1

240251142243025 has 12 divisors (see below), whose sum is σ = 298483223338764. Its totient is φ = 191832006080000.

The previous prime is 240251142243023. The next prime is 240251142243029. The reversal of 240251142243025 is 520342241152042.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 982094874049 + 239269047368976 = 991007^2 + 15468324^2 .

It is not a de Polignac number, because 240251142243025 - 21 = 240251142243023 is a prime.

It is a super-2 number, since 2×2402511422430252 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240251142243023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9222679576 + ... + 9222705625.

It is an arithmetic number, because the mean of its divisors is an integer number (24873601944897).

Almost surely, 2240251142243025 is an apocalyptic number.

240251142243025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240251142243025 is a deficient number, since it is larger than the sum of its proper divisors (58232081095739).

240251142243025 is a wasteful number, since it uses less digits than its factorization.

240251142243025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18445385732 (or 18445385727 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 240251142243025 its reverse (520342241152042), we get a palindrome (760593383395067).

The spelling of 240251142243025 in words is "two hundred forty trillion, two hundred fifty-one billion, one hundred forty-two million, two hundred forty-three thousand, twenty-five".

Divisors: 1 5 25 521 2605 13025 18445385201 92226926005 461134630025 9610045689721 48050228448605 240251142243025