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20282883745615 = 516334337249337
BaseRepresentation
bin1001001110010011110100…
…00101001010011101001111
32122211000200001010201110021
410213021322011022131033
510124303321214324430
6111045454514323011
74162250524132051
oct447117205123517
978730601121407
1020282883745615
11650aa17112057
122336b60889467
13b4188b00716a
145019a809b8d1
1525290ea5707a
hex12727a14a74f

20282883745615 has 16 divisors (see below), whose sum is σ = 24495919064928. Its totient is φ = 16122059306496.

The previous prime is 20282883745613. The next prime is 20282883745667. The reversal of 20282883745615 is 51654738828202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20282883745615 - 21 = 20282883745613 is a prime.

It is a super-2 number, since 2×202828837456152 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20282883745613) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 826774 + ... + 6422563.

It is an arithmetic number, because the mean of its divisors is an integer number (1530994941558).

Almost surely, 220282883745615 is an apocalyptic number.

20282883745615 is a deficient number, since it is larger than the sum of its proper divisors (4213035319313).

20282883745615 is a wasteful number, since it uses less digits than its factorization.

20282883745615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7252938.

The product of its (nonzero) digits is 51609600, while the sum is 61.

The spelling of 20282883745615 in words is "twenty trillion, two hundred eighty-two billion, eight hundred eighty-three million, seven hundred forty-five thousand, six hundred fifteen".

Divisors: 1 5 163 815 3433 17165 559579 2797895 7249337 36246685 1181641931 5908209655 24886973921 124434869605 4056576749123 20282883745615