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20253452602452 = 2231687787716871
BaseRepresentation
bin1001001101011100111111…
…10110010000110001010100
32122201012200221020201221220
410212232133312100301110
510123313032331234302
6111024150243010340
74160156302422666
oct446563766206124
978635627221856
1020253452602452
1164a9493a95643
1223313083699b0
13b3bb7a755554
145003b5410536
15251c8ad484bc
hex126b9fd90c54

20253452602452 has 12 divisors (see below), whose sum is σ = 47258056072416. Its totient is φ = 6751150867480.

The previous prime is 20253452602441. The next prime is 20253452602543. The reversal of 20253452602452 is 25420625435202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843893858424 + ... + 843893858447.

It is an arithmetic number, because the mean of its divisors is an integer number (3938171339368).

Almost surely, 220253452602452 is an apocalyptic number.

It is an amenable number.

20253452602452 is an abundant number, since it is smaller than the sum of its proper divisors (27004603469964).

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

20253452602452 is a wasteful number, since it uses less digits than its factorization.

20253452602452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687787716878 (or 1687787716876 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 42.

The spelling of 20253452602452 in words is "twenty trillion, two hundred fifty-three billion, four hundred fifty-two million, six hundred two thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 1687787716871 3375575433742 5063363150613 6751150867484 10126726301226 20253452602452