Base | Representation |
---|---|
bin | 10010110001001011… |
… | …000110000110110110 |
3 | 1221000110012012022200 |
4 | 102301023012012312 |
5 | 312233000020024 |
6 | 13131410405330 |
7 | 1312252051314 |
oct | 226113060666 |
9 | 57013165280 |
10 | 20152345014 |
11 | 860152309a |
12 | 3aa4b90846 |
13 | 1b92118009 |
14 | d926210b4 |
15 | 7ce3102c9 |
hex | 4b12c61b6 |
20152345014 has 24 divisors (see below), whose sum is σ = 44007225600. Its totient is φ = 6664554288.
The previous prime is 20152345013. The next prime is 20152345067. The reversal of 20152345014 is 41054325102.
20152345014 is a `hidden beast` number, since 2 + 0 + 152 + 3 + 4 + 501 + 4 = 666.
It is a super-2 number, since 2×201523450142 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20152345013) 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, 4405489 + ... + 4410060.
It is an arithmetic number, because the mean of its divisors is an integer number (1833634400).
Almost surely, 220152345014 is an apocalyptic number.
20152345014 is an abundant number, since it is smaller than the sum of its proper divisors (23854880586).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20152345014 is a wasteful number, since it uses less digits than its factorization.
20152345014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8815684 (or 8815681 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The spelling of 20152345014 in words is "twenty billion, one hundred fifty-two million, three hundred forty-five thousand, fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •