Base | Representation |
---|---|
bin | 100101100000111111… |
… | …1000101110100000101 |
3 | 21200221122021211221110 |
4 | 1023001333011310011 |
5 | 2304443332443101 |
6 | 101002141035233 |
7 | 5551310205105 |
oct | 1130177056405 |
9 | 250848254843 |
10 | 80563952901 |
11 | 31192284263 |
12 | 13744855b19 |
13 | 779bc1c163 |
14 | 3c83a1b205 |
15 | 2167c6acd6 |
hex | 12c1fc5d05 |
80563952901 has 32 divisors (see below), whose sum is σ = 116995608576. Its totient is φ = 49112064000.
The previous prime is 80563952869. The next prime is 80563952927. The reversal of 80563952901 is 10925936508.
It is a happy number.
It is not a de Polignac number, because 80563952901 - 25 = 80563952869 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 (80563952941) 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, 423996 + ... + 583866.
It is an arithmetic number, because the mean of its divisors is an integer number (3656112768).
Almost surely, 280563952901 is an apocalyptic number.
It is an amenable number.
80563952901 is a deficient number, since it is larger than the sum of its proper divisors (36431655675).
80563952901 is a wasteful number, since it uses less digits than its factorization.
80563952901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160173.
The product of its (nonzero) digits is 583200, while the sum is 48.
The spelling of 80563952901 in words is "eighty billion, five hundred sixty-three million, nine hundred fifty-two thousand, nine hundred one".
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