Base | Representation |
---|---|
bin | 1001011100000001000001… |
… | …01010111101101110011101 |
3 | 2201111001021002210201112122 |
4 | 10232000200222331232131 |
5 | 10210012321001424221 |
6 | 112050102233312325 |
7 | 4241262154145651 |
oct | 456004052755635 |
9 | 81431232721478 |
10 | 20753830108061 |
11 | 6681717054646 |
12 | 23b22938656a5 |
13 | b77101b6a00b |
14 | 51a6c2820a61 |
15 | 25ecc4b99eab |
hex | 12e020abdb9d |
20753830108061 has 8 divisors (see below), whose sum is σ = 21357197921664. Its totient is φ = 20157203834560.
The previous prime is 20753830108027. The next prime is 20753830108069. The reversal of 20753830108061 is 16080103835702.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20753830108061 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20753830108069) 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, 1685378780 + ... + 1685391093.
It is an arithmetic number, because the mean of its divisors is an integer number (2669649740208).
Almost surely, 220753830108061 is an apocalyptic number.
It is an amenable number.
20753830108061 is a deficient number, since it is larger than the sum of its proper divisors (603367813603).
20753830108061 is a wasteful number, since it uses less digits than its factorization.
20753830108061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3370770051.
The product of its (nonzero) digits is 241920, while the sum is 44.
The spelling of 20753830108061 in words is "twenty trillion, seven hundred fifty-three billion, eight hundred thirty million, one hundred eight thousand, sixty-one".
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