Base | Representation |
---|---|
bin | 10011011110001010… |
… | …011111101100001001 |
3 | 1222222001111220002022 |
4 | 103132022133230021 |
5 | 320304213144002 |
6 | 13334333014225 |
7 | 1340045643113 |
oct | 233612375411 |
9 | 58861456068 |
10 | 20907162377 |
11 | 89596035a2 |
12 | 4075924375 |
13 | 1c8260b3ca |
14 | 10249883b3 |
15 | 82570eba2 |
hex | 4de29fb09 |
20907162377 has 8 divisors (see below), whose sum is σ = 22351919616. Its totient is φ = 19486285632.
The previous prime is 20907162359. The next prime is 20907162389. The reversal of 20907162377 is 77326170902.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20907162377 - 214 = 20907145993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20907162347) 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 7 ways as a sum of consecutive naturals, for example, 5968313 + ... + 5971814.
It is an arithmetic number, because the mean of its divisors is an integer number (2793989952).
Almost surely, 220907162377 is an apocalyptic number.
It is an amenable number.
20907162377 is a deficient number, since it is larger than the sum of its proper divisors (1444757239).
20907162377 is a wasteful number, since it uses less digits than its factorization.
20907162377 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11940247.
The product of its (nonzero) digits is 222264, while the sum is 44.
The spelling of 20907162377 in words is "twenty billion, nine hundred seven million, one hundred sixty-two thousand, three hundred seventy-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •