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2056824765 = 335197271103
BaseRepresentation
bin111101010011000…
…1010011110111101
312022100021112011000
41322212022132331
513203021343030
6540032520513
7101653502442
oct17246123675
95270245130
102056824765
11966029986
124949b0139
1326a181c98
1415724b9c9
15c0889860
hex7a98a7bd

2056824765 has 64 divisors (see below), whose sum is σ = 3857817600. Its totient is φ = 1036867392.

The previous prime is 2056824697. The next prime is 2056824769. The reversal of 2056824765 is 5674286502.

2056824765 is a `hidden beast` number, since 2 + 0 + 568 + 24 + 7 + 65 = 666.

It is not a de Polignac number, because 2056824765 - 211 = 2056822717 is a prime.

It is a super-2 number, since 2×20568247652 = 8461056227834610450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2056824765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056824769) 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 63 ways as a sum of consecutive naturals, for example, 1864204 + ... + 1865306.

It is an arithmetic number, because the mean of its divisors is an integer number (60278400).

Almost surely, 22056824765 is an apocalyptic number.

It is an amenable number.

2056824765 is a deficient number, since it is larger than the sum of its proper divisors (1800992835).

2056824765 is a wasteful number, since it uses less digits than its factorization.

2056824765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863 (or 1857 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 2056824765 is about 45352.2299892740. The cubic root of 2056824765 is about 1271.7422437405.

The spelling of 2056824765 in words is "two billion, fifty-six million, eight hundred twenty-four thousand, seven hundred sixty-five".

Divisors: 1 3 5 9 15 19 27 45 57 95 135 171 285 513 727 855 1103 2181 2565 3309 3635 5515 6543 9927 10905 13813 16545 19629 20957 29781 32715 41439 49635 62871 69065 98145 104785 124317 148905 188613 207195 314355 372951 565839 621585 801881 943065 1864755 2405643 2829195 4009405 7216929 12028215 15235739 21650787 36084645 45707217 76178695 108253935 137121651 228536085 411364953 685608255 2056824765