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25052142488 = 2311327712547
BaseRepresentation
bin10111010101001110…
…010101101110011000
32101122221000200212012
4113111032111232120
5402301322024423
615301522205052
71544546461202
oct272516255630
971587020765
1025052142488
11a69631049a
124a31ab3788
132493291b69
1412d927b772
159b9572078
hex5d5395b98

25052142488 has 16 divisors (see below), whose sum is σ = 47388457080. Its totient is φ = 12415220608.

The previous prime is 25052142481. The next prime is 25052142491. The reversal of 25052142488 is 88424125052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25052142481) 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 3 ways as a sum of consecutive naturals, for example, 13855370 + ... + 13857177.

Almost surely, 225052142488 is an apocalyptic number.

It is an amenable number.

25052142488 is a deficient number, since it is larger than the sum of its proper divisors (22336314592).

25052142488 is a wasteful number, since it uses less digits than its factorization.

25052142488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27712666 (or 27712662 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 41.

The spelling of 25052142488 in words is "twenty-five billion, fifty-two million, one hundred forty-two thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 113 226 452 904 27712547 55425094 110850188 221700376 3131517811 6263035622 12526071244 25052142488