Base | Representation |
---|---|
bin | 100101101011000101… |
… | …1100011010111011101 |
3 | 21201211020211020101120 |
4 | 1023112023203113131 |
5 | 2311142101421442 |
6 | 101055523001153 |
7 | 5562563101416 |
oct | 1132613432735 |
9 | 251736736346 |
10 | 80902763997 |
11 | 31346557030 |
12 | 1381a2091b9 |
13 | 78241885b3 |
14 | 3cb6a1480d |
15 | 21878944ec |
hex | 12d62e35dd |
80902763997 has 8 divisors (see below), whose sum is σ = 117676747680. Its totient is φ = 49031978160.
The previous prime is 80902763987. The next prime is 80902763999. The reversal of 80902763997 is 79936720908.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80902763997 - 27 = 80902763869 is a prime.
It is a super-3 number, since 3×809027639973 (a number of 34 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 80902763997.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80902763999) 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, 1225799422 + ... + 1225799487.
It is an arithmetic number, because the mean of its divisors is an integer number (14709593460).
Almost surely, 280902763997 is an apocalyptic number.
It is an amenable number.
80902763997 is a deficient number, since it is larger than the sum of its proper divisors (36773983683).
80902763997 is a wasteful number, since it uses less digits than its factorization.
80902763997 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2451598923.
The product of its (nonzero) digits is 10287648, while the sum is 60.
The spelling of 80902763997 in words is "eighty billion, nine hundred two million, seven hundred sixty-three thousand, nine hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •