Base | Representation |
---|---|
bin | 100101101010101101… |
… | …1000110100001000111 |
3 | 21201210100220221210021 |
4 | 1023111123012201013 |
5 | 2311130324003134 |
6 | 101054350440011 |
7 | 5562350122141 |
oct | 1132533064107 |
9 | 251710827707 |
10 | 80890062919 |
11 | 3133a371576 |
12 | 13815b03007 |
13 | 782165c473 |
14 | 3cb5069c91 |
15 | 21866d60b4 |
hex | 12d56c6847 |
80890062919 has 4 divisors (see below), whose sum is σ = 80890632000. Its totient is φ = 80889493840.
The previous prime is 80890062901. The next prime is 80890062941. The reversal of 80890062919 is 91926009808.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 80890062919 - 25 = 80890062887 is a prime.
It is a super-2 number, since 2×808900629192 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80890062619) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129459 + ... + 422539.
It is an arithmetic number, because the mean of its divisors is an integer number (20222658000).
Almost surely, 280890062919 is an apocalyptic number.
80890062919 is a deficient number, since it is larger than the sum of its proper divisors (569081).
80890062919 is a wasteful number, since it uses less digits than its factorization.
80890062919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 569080.
The product of its (nonzero) digits is 559872, while the sum is 52.
The spelling of 80890062919 in words is "eighty billion, eight hundred ninety million, sixty-two thousand, nine hundred nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •