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25231055242401 = 3229208843462887
BaseRepresentation
bin1011011110010100100000…
…00101011100010010100001
310022100001202121210002101100
411233022100011130102201
511301341200120224101
6125354553050225013
75212612032651261
oct557122005342241
9108301677702340
1025231055242401
118048480a03a88
1229b5b45425169
13111038056ba38
1463329233b7a1
152db4b70e9e86
hex16f29015c4a1

25231055242401 has 24 divisors (see below), whose sum is σ = 37701838774080. Its totient is φ = 16240566386016.

The previous prime is 25231055242373. The next prime is 25231055242427. The reversal of 25231055242401 is 10424255013252.

25231055242401 is a `hidden beast` number, since 2 + 5 + 2 + 3 + 1 + 0 + 5 + 5 + 242 + 401 = 666.

It is not a de Polignac number, because 25231055242401 - 241 = 23032031986849 is a prime.

It is a super-2 number, since 2×252310552424012 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25231055242441) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 54276580 + ... + 54739466.

It is an arithmetic number, because the mean of its divisors is an integer number (1570909948920).

Almost surely, 225231055242401 is an apocalyptic number.

It is an amenable number.

25231055242401 is a deficient number, since it is larger than the sum of its proper divisors (12470783531679).

25231055242401 is a wasteful number, since it uses less digits than its factorization.

25231055242401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671765 (or 671762 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 25231055242401 in words is "twenty-five trillion, two hundred thirty-one billion, fifty-five million, two hundred forty-two thousand, four hundred one".

Divisors: 1 3 9 29 87 261 208843 462887 626529 1388661 1879587 4165983 6056447 13423723 18169341 40271169 54508023 120813507 96670709741 290012129223 870036387669 2803450582489 8410351747467 25231055242401