Base | Representation |
---|---|
bin | 1001000111110110111010… |
… | …11110100100111110010010 |
3 | 2122000211111102121210001010 |
4 | 10203323131132210332102 |
5 | 10112140331020142233 |
6 | 110355554414151350 |
7 | 4140242363260500 |
oct | 443733536447622 |
9 | 78024442553033 |
10 | 20061213052818 |
11 | 6434a04856693 |
12 | 22bbbb77b2556 |
13 | b269c2155652 |
14 | 4d4d79c7b670 |
15 | 24bc88d51b63 |
hex | 123edd7a4f92 |
20061213052818 has 24 divisors (see below), whose sum is σ = 46673026286832. Its totient is φ = 5731775157864.
The previous prime is 20061213052813. The next prime is 20061213052819. The reversal of 20061213052818 is 81825031216002.
It is a super-2 number, since 2×200612130528182 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20061213052813) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34117708980 + ... + 34117709567.
It is an arithmetic number, because the mean of its divisors is an integer number (1944709428618).
Almost surely, 220061213052818 is an apocalyptic number.
20061213052818 is an abundant number, since it is smaller than the sum of its proper divisors (26611813234014).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20061213052818 is a wasteful number, since it uses less digits than its factorization.
20061213052818 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68235418566 (or 68235418559 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 39.
The spelling of 20061213052818 in words is "twenty trillion, sixty-one billion, two hundred thirteen million, fifty-two thousand, eight hundred eighteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •