Base | Representation |
---|---|
bin | 1001001000011100001111… |
… | …10010010000010100011111 |
3 | 2122002202012212001200020221 |
4 | 10210032013302100110133 |
5 | 10113002400023111012 |
6 | 110413110552022211 |
7 | 4141552046260603 |
oct | 444160762202437 |
9 | 78082185050227 |
10 | 20081250207007 |
11 | 6442457252150 |
12 | 2303a6a091967 |
13 | b2886643b6c2 |
14 | 4d5d1b075503 |
15 | 24c55ceab507 |
hex | 124387c9051f |
20081250207007 has 4 divisors (see below), whose sum is σ = 21906818407656. Its totient is φ = 18255682006360.
The previous prime is 20081250206993. The next prime is 20081250207023. The reversal of 20081250207007 is 70070205218002.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20081250207007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20081250207037) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912784100308 + ... + 912784100329.
It is an arithmetic number, because the mean of its divisors is an integer number (5476704601914).
Almost surely, 220081250207007 is an apocalyptic number.
20081250207007 is a deficient number, since it is larger than the sum of its proper divisors (1825568200649).
20081250207007 is a wasteful number, since it uses less digits than its factorization.
20081250207007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1825568200648.
The product of its (nonzero) digits is 15680, while the sum is 34.
The spelling of 20081250207007 in words is "twenty trillion, eighty-one billion, two hundred fifty million, two hundred seven thousand, seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •