Base | Representation |
---|---|
bin | 10010101111000011… |
… | …010110000110110101 |
3 | 1220220222020020102212 |
4 | 102233003112012311 |
5 | 312144342241330 |
6 | 13124055543205 |
7 | 1311340426022 |
oct | 225703260665 |
9 | 56828206385 |
10 | 20116758965 |
11 | 8593427836 |
12 | 3a9508ab05 |
13 | 1b87938594 |
14 | d8b9da549 |
15 | 7cb131295 |
hex | 4af0d61b5 |
20116758965 has 8 divisors (see below), whose sum is σ = 24142488480. Its totient is φ = 16091822032.
The previous prime is 20116758853. The next prime is 20116758967. The reversal of 20116758965 is 56985761102.
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 20116758965 - 212 = 20116754869 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20116758967) 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, 140795 + ... + 245064.
It is an arithmetic number, because the mean of its divisors is an integer number (3017811060).
Almost surely, 220116758965 is an apocalyptic number.
It is an amenable number.
20116758965 is a deficient number, since it is larger than the sum of its proper divisors (4025729515).
20116758965 is a wasteful number, since it uses less digits than its factorization.
20116758965 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 396291.
The product of its (nonzero) digits is 907200, while the sum is 50.
The spelling of 20116758965 in words is "twenty billion, one hundred sixteen million, seven hundred fifty-eight thousand, nine hundred sixty-five".
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