Base | Representation |
---|---|
bin | 10011011011011000… |
… | …011011110110010100 |
3 | 1222211210200102210000 |
4 | 103123120123312110 |
5 | 320210241010022 |
6 | 13325544331300 |
7 | 1335641124363 |
oct | 233330336624 |
9 | 58753612700 |
10 | 20860485012 |
11 | 8935222164 |
12 | 4062173b30 |
13 | 1c75a47473 |
14 | 101c6b77da |
15 | 82158e6ac |
hex | 4db61bd94 |
20860485012 has 60 divisors (see below), whose sum is σ = 54554090976. Its totient is φ = 6950860560.
The previous prime is 20860485011. The next prime is 20860485047. The reversal of 20860485012 is 21058406802.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20860485011) 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 19 ways as a sum of consecutive naturals, for example, 964873 + ... + 986255.
Almost surely, 220860485012 is an apocalyptic number.
It is an amenable number.
20860485012 is an abundant number, since it is smaller than the sum of its proper divisors (33693605964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20860485012 is a wasteful number, since it uses less digits than its factorization.
20860485012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24410 (or 24399 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 36.
The spelling of 20860485012 in words is "twenty billion, eight hundred sixty million, four hundred eighty-five thousand, twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •