Base | Representation |
---|---|
bin | 100101010111101100… |
… | …1101111010100101011 |
3 | 21200010220121201100111 |
4 | 1022233121233110223 |
5 | 2303324023442223 |
6 | 100511202315151 |
7 | 5540503126444 |
oct | 1125731572453 |
9 | 250126551314 |
10 | 80252171563 |
11 | 31042293333 |
12 | 13678358ab7 |
13 | 774c457a65 |
14 | 3c5445c2cb |
15 | 214a6d130d |
hex | 12af66f52b |
80252171563 has 8 divisors (see below), whose sum is σ = 80617728528. Its totient is φ = 79887028224.
The previous prime is 80252171561. The next prime is 80252171621. The reversal of 80252171563 is 36517125208.
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 80252171563 - 21 = 80252171561 is a prime.
It is a super-2 number, since 2×802521715632 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80252171561) 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, 288895 + ... + 493927.
It is an arithmetic number, because the mean of its divisors is an integer number (10077216066).
Almost surely, 280252171563 is an apocalyptic number.
80252171563 is a deficient number, since it is larger than the sum of its proper divisors (365556965).
80252171563 is a wasteful number, since it uses less digits than its factorization.
80252171563 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206813.
The product of its (nonzero) digits is 100800, while the sum is 40.
The spelling of 80252171563 in words is "eighty billion, two hundred fifty-two million, one hundred seventy-one thousand, five hundred sixty-three".
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