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20301453528 = 2335437155581
BaseRepresentation
bin10010111010000011…
…111001100011011000
31221101211202200202020
4102322003321203120
5313034133003103
613154254334440
71316042336106
oct227203714330
957354680666
1020301453528
118678706574
123b26aba420
131bb6c941c5
14da8356c76
157dc465753
hex4ba0f98d8

20301453528 has 32 divisors (see below), whose sum is σ = 50763294960. Its totient is φ = 6765863040.

The previous prime is 20301453527. The next prime is 20301453551. The reversal of 20301453528 is 82535410302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301453527) 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 7 ways as a sum of consecutive naturals, for example, 52698 + ... + 208278.

Almost surely, 220301453528 is an apocalyptic number.

It is an amenable number.

20301453528 is an abundant number, since it is smaller than the sum of its proper divisors (30461841432).

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

20301453528 is a wasteful number, since it uses less digits than its factorization.

20301453528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161027 (or 161023 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 20301453528 in words is "twenty billion, three hundred one million, four hundred fifty-three thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 5437 10874 16311 21748 32622 43496 65244 130488 155581 311162 466743 622324 933486 1244648 1866972 3733944 845893897 1691787794 2537681691 3383575588 5075363382 6767151176 10150726764 20301453528