Base | Representation |
---|---|
bin | 10011100010100010… |
… | …000011101101100110 |
3 | 2000011011102012012102 |
4 | 103202202003231212 |
5 | 320431443314402 |
6 | 13345511452102 |
7 | 1341625603115 |
oct | 234242035546 |
9 | 60134365172 |
10 | 20980448102 |
11 | 8996a09209 |
12 | 4096387032 |
13 | 1c9485a643 |
14 | 10305c3c7c |
15 | 82bd89102 |
hex | 4e2883b66 |
20980448102 has 16 divisors (see below), whose sum is σ = 33326636112. Its totient is φ = 9871745280.
The previous prime is 20980448101. The next prime is 20980448123. The reversal of 20980448102 is 20184408902.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20980448101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221378 + ... + 301610.
It is an arithmetic number, because the mean of its divisors is an integer number (2082914757).
Almost surely, 220980448102 is an apocalyptic number.
20980448102 is a deficient number, since it is larger than the sum of its proper divisors (12346188010).
20980448102 is a wasteful number, since it uses less digits than its factorization.
20980448102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87943.
The product of its (nonzero) digits is 36864, while the sum is 38.
The spelling of 20980448102 in words is "twenty billion, nine hundred eighty million, four hundred forty-eight thousand, one hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •