Base | Representation |
---|---|
bin | 1001001100110011111110… |
… | …10111000100010010000101 |
3 | 2122122002212022221200101100 |
4 | 10212121333113010102011 |
5 | 10122432433233424240 |
6 | 111010105240250313 |
7 | 4155446522454345 |
oct | 446317727042205 |
9 | 78562768850340 |
10 | 20231432717445 |
11 | 64a0114378074 |
12 | 2328ba1a70999 |
13 | b39a7b7605b1 |
14 | 4dd2c6b74d25 |
15 | 2513ecadce30 |
hex | 12667f5c4485 |
20231432717445 has 24 divisors (see below), whose sum is σ = 35490320532576. Its totient is φ = 10660096273248.
The previous prime is 20231432717423. The next prime is 20231432717519. The reversal of 20231432717445 is 54471723413202.
It is a happy number.
20231432717445 is a `hidden beast` number, since 2 + 0 + 2 + 3 + 1 + 432 + 7 + 174 + 45 = 666.
It is not a de Polignac number, because 20231432717445 - 29 = 20231432716933 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 20231432717445.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2708354059 + ... + 2708361528.
It is an arithmetic number, because the mean of its divisors is an integer number (1478763355524).
Almost surely, 220231432717445 is an apocalyptic number.
It is an amenable number.
20231432717445 is a deficient number, since it is larger than the sum of its proper divisors (15258887815131).
20231432717445 is a wasteful number, since it uses less digits than its factorization.
20231432717445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5416715681 (or 5416715678 counting only the distinct ones).
The product of its (nonzero) digits is 1128960, while the sum is 45.
The spelling of 20231432717445 in words is "twenty trillion, two hundred thirty-one billion, four hundred thirty-two million, seven hundred seventeen thousand, four hundred forty-five".
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