Base | Representation |
---|---|
bin | 1001011100000001011010… |
… | …00000010000001011111010 |
3 | 2201111001210112010200220100 |
4 | 10232000231000100023322 |
5 | 10210013231433442130 |
6 | 112050134544140230 |
7 | 4241300245632015 |
oct | 456005500201372 |
9 | 81431715120810 |
10 | 20754037015290 |
11 | 6681812925057 |
12 | 23b2331007676 |
13 | b771359a2227 |
14 | 51a7020c037c |
15 | 25ecd7e1ac60 |
hex | 12e02d0102fa |
20754037015290 has 24 divisors (see below), whose sum is σ = 53960496239988. Its totient is φ = 5534409870720.
The previous prime is 20754037015177. The next prime is 20754037015301. The reversal of 20754037015290 is 9251073045702.
It is a happy number.
20754037015290 is a `hidden beast` number, since 2 + 0 + 7 + 5 + 40 + 370 + 152 + 90 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 19272828746889 + 1481208268401 = 4390083^2 + 1217049^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115300205551 + ... + 115300205730.
Almost surely, 220754037015290 is an apocalyptic number.
20754037015290 is an abundant number, since it is smaller than the sum of its proper divisors (33206459224698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20754037015290 is a wasteful number, since it uses less digits than its factorization.
20754037015290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230600411294 (or 230600411291 counting only the distinct ones).
The product of its (nonzero) digits is 529200, while the sum is 45.
The spelling of 20754037015290 in words is "twenty trillion, seven hundred fifty-four billion, thirty-seven million, fifteen thousand, two hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •