Base | Representation |
---|---|
bin | 10010101111111101… |
… | …110010000101110111 |
3 | 1220222001001112010102 |
4 | 102233331302011313 |
5 | 312212302443233 |
6 | 13125404144315 |
7 | 1311614560535 |
oct | 225775620567 |
9 | 56861045112 |
10 | 20132077943 |
11 | 85a104014a |
12 | 3a9a23809b |
13 | 1b8ab70173 |
14 | d8da67155 |
15 | 7cc65a1e8 |
hex | 4aff72177 |
20132077943 has 8 divisors (see below), whose sum is σ = 21329949312. Its totient is φ = 18935721216.
The previous prime is 20132077919. The next prime is 20132077949. The reversal of 20132077943 is 34977023102.
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 20132077943 - 26 = 20132077879 is a prime.
It is a super-2 number, since 2×201320779432 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20132077897 and 20132077906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20132077949) 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, 351230 + ... + 404507.
It is an arithmetic number, because the mean of its divisors is an integer number (2666243664).
Almost surely, 220132077943 is an apocalyptic number.
20132077943 is a deficient number, since it is larger than the sum of its proper divisors (1197871369).
20132077943 is a wasteful number, since it uses less digits than its factorization.
20132077943 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 757321.
The product of its (nonzero) digits is 63504, while the sum is 38.
The spelling of 20132077943 in words is "twenty billion, one hundred thirty-two million, seventy-seven thousand, nine hundred forty-three".
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