Base | Representation |
---|---|
bin | 1001011110010101001101… |
… | …10001011111000111011000 |
3 | 2201202122121201121021202110 |
4 | 10233022212301133013120 |
5 | 10212313240140012320 |
6 | 112150421004432320 |
7 | 4250106544601220 |
oct | 457124661370730 |
9 | 81678551537673 |
10 | 20833389375960 |
11 | 67024331a5117 |
12 | 2405797b486a0 |
13 | b8177089b6b5 |
14 | 5204acc31080 |
15 | 261dce60b5e0 |
hex | 12f2a6c5f1d8 |
20833389375960 has 128 divisors (see below), whose sum is σ = 71431927902720. Its totient is φ = 4761706616832.
The previous prime is 20833389375923. The next prime is 20833389375961. The reversal of 20833389375960 is 6957398333802.
It is a happy number.
It is a super-2 number, since 2×208333893759602 (a number of 27 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 20833389375891 and 20833389375900.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20833389375961) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18830047 + ... + 19905713.
It is an arithmetic number, because the mean of its divisors is an integer number (558061936740).
Almost surely, 220833389375960 is an apocalyptic number.
20833389375960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20833389375960 is an abundant number, since it is smaller than the sum of its proper divisors (50598538526760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20833389375960 is a wasteful number, since it uses less digits than its factorization.
20833389375960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1098745 (or 1098741 counting only the distinct ones).
The product of its (nonzero) digits is 176359680, while the sum is 66.
The spelling of 20833389375960 in words is "twenty trillion, eight hundred thirty-three billion, three hundred eighty-nine million, three hundred seventy-five thousand, nine hundred sixty".
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