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20448710452 = 229075636359
BaseRepresentation
bin10011000010110101…
…101000111100110100
31221210002212010021101
4103002311220330310
5313334332213302
613221034455444
71322511112432
oct230265507464
957702763241
1020448710452
118743844905
123b68294584
131c0b642691
14dbdb29d52
157ea352287
hex4c2d68f34

20448710452 has 12 divisors (see below), whose sum is σ = 35824704160. Its totient is φ = 10213080696.

The previous prime is 20448710449. The next prime is 20448710453. The reversal of 20448710452 is 25401784402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20448710453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2814552 + ... + 2821807.

Almost surely, 220448710452 is an apocalyptic number.

It is an amenable number.

20448710452 is a deficient number, since it is larger than the sum of its proper divisors (15375993708).

20448710452 is a wasteful number, since it uses less digits than its factorization.

20448710452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5637270 (or 5637268 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 37.

The spelling of 20448710452 in words is "twenty billion, four hundred forty-eight million, seven hundred ten thousand, four hundred fifty-two".

Divisors: 1 2 4 907 1814 3628 5636359 11272718 22545436 5112177613 10224355226 20448710452