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25032232242 = 2324729588927
BaseRepresentation
bin10111010100000010…
…011000110100110010
32101121112120011010200
4113110002120310302
5402231222412432
615255531340030
71544215314633
oct272402306462
971545504120
1025032232242
11a686051646
124a272b1616
13248c110554
1412d677788a
159b793ca7c
hex5d4098d32

25032232242 has 24 divisors (see below), whose sum is σ = 55390473216. Its totient is φ = 8166543576.

The previous prime is 25032232219. The next prime is 25032232249. The reversal of 25032232242 is 24223223052.

It is a super-2 number, since 2×250322322422 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25032232249) 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, 14793618 + ... + 14795309.

It is an arithmetic number, because the mean of its divisors is an integer number (2307936384).

Almost surely, 225032232242 is an apocalyptic number.

25032232242 is an abundant number, since it is smaller than the sum of its proper divisors (30358240974).

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

25032232242 is a wasteful number, since it uses less digits than its factorization.

25032232242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29588982 (or 29588979 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 25032232242 its reverse (24223223052), we get a palindrome (49255455294).

The spelling of 25032232242 in words is "twenty-five billion, thirty-two million, two hundred thirty-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 47 94 141 282 423 846 29588927 59177854 88766781 177533562 266300343 532600686 1390679569 2781359138 4172038707 8344077414 12516116121 25032232242