Base | Representation |
---|---|
bin | 10010110001001011… |
… | …110110111011110101 |
3 | 1221000110120100200001 |
4 | 102301023312323311 |
5 | 312233022420023 |
6 | 13131414551301 |
7 | 1312253543356 |
oct | 226113667365 |
9 | 57013510601 |
10 | 20152545013 |
11 | 860164a387 |
12 | 3aa5068531 |
13 | 1b92188063 |
14 | d92673d2d |
15 | 7ce34e6ad |
hex | 4b12f6ef5 |
20152545013 has 8 divisors (see below), whose sum is σ = 20339030016. Its totient is φ = 19966758000.
The previous prime is 20152544999. The next prime is 20152545043. The reversal of 20152545013 is 31054525102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20152545013 - 221 = 20150447861 is a prime.
It is a super-2 number, since 2×201525450132 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20152545043) 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, 116398 + ... + 232063.
It is an arithmetic number, because the mean of its divisors is an integer number (2542378752).
Almost surely, 220152545013 is an apocalyptic number.
It is an amenable number.
20152545013 is a deficient number, since it is larger than the sum of its proper divisors (186485003).
20152545013 is a wasteful number, since it uses less digits than its factorization.
20152545013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 348995.
The product of its (nonzero) digits is 6000, while the sum is 28.
The spelling of 20152545013 in words is "twenty billion, one hundred fifty-two million, five hundred forty-five thousand, thirteen".
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