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2068422663654 = 23389430383409
BaseRepresentation
bin11110000110010111100…
…110010001110111100110
321022201221221011022011000
4132012113212101313212
5232342112200214104
64222115324054130
7302303304356334
oct36062746216746
97281857138130
102068422663654
117282387407a6
12294a5a694346
13120088c7c8b9
147217dbd0b54
1538c0edb9639
hex1e197991de6

2068422663654 has 32 divisors (see below), whose sum is σ = 4648140828000. Its totient is φ = 681727318272.

The previous prime is 2068422663653. The next prime is 2068422663719. The reversal of 2068422663654 is 4563662248602.

2068422663654 is a `hidden beast` number, since 20 + 68 + 422 + 66 + 36 + 54 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 2068422663654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068422663653) 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, 215186899 + ... + 215196510.

It is an arithmetic number, because the mean of its divisors is an integer number (145254400875).

Almost surely, 22068422663654 is an apocalyptic number.

2068422663654 is an abundant number, since it is smaller than the sum of its proper divisors (2579718164346).

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

2068422663654 is a wasteful number, since it uses less digits than its factorization.

2068422663654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430383509 (or 430383503 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 54.

The spelling of 2068422663654 in words is "two trillion, sixty-eight billion, four hundred twenty-two million, six hundred sixty-three thousand, six hundred fifty-four".

Divisors: 1 2 3 6 9 18 27 54 89 178 267 534 801 1602 2403 4806 430383409 860766818 1291150227 2582300454 3873450681 7746901362 11620352043 23240704086 38304123401 76608246802 114912370203 229824740406 344737110609 689474221218 1034211331827 2068422663654