Base | Representation |
---|---|
bin | 11111000111010110001101… |
… | …01011010111000011000101 |
3 | 22222021002120010120210111102 |
4 | 33203223012223113003011 |
5 | 32432012042020440040 |
6 | 401304412445145445 |
7 | 20261223652223045 |
oct | 1743530653270305 |
9 | 288232503523442 |
10 | 68422162280645 |
11 | 1a88a748933158 |
12 | 781080b85b285 |
13 | 2c2424a4414c4 |
14 | 12c79166bd725 |
15 | 7d9c3dde8515 |
hex | 3e3ac6ad70c5 |
68422162280645 has 16 divisors (see below), whose sum is σ = 82835377289280. Its totient is φ = 54252905241600.
The previous prime is 68422162280629. The next prime is 68422162280657. The reversal of 68422162280645 is 54608226122486.
It is a happy number.
It is not a de Polignac number, because 68422162280645 - 24 = 68422162280629 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63871580 + ... + 64933989.
It is an arithmetic number, because the mean of its divisors is an integer number (5177211080580).
Almost surely, 268422162280645 is an apocalyptic number.
It is an amenable number.
68422162280645 is a deficient number, since it is larger than the sum of its proper divisors (14413215008635).
68422162280645 is a wasteful number, since it uses less digits than its factorization.
68422162280645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128806516.
The product of its (nonzero) digits is 17694720, while the sum is 56.
The spelling of 68422162280645 in words is "sixty-eight trillion, four hundred twenty-two billion, one hundred sixty-two million, two hundred eighty thousand, six hundred forty-five".
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