Base | Representation |
---|---|
bin | 100101011011101111… |
… | …0111001101000001111 |
3 | 21200111100201102100001 |
4 | 1022313132321220033 |
5 | 2304113230222343 |
6 | 100532444145131 |
7 | 5544040351255 |
oct | 1126736715017 |
9 | 250440642301 |
10 | 80387742223 |
11 | 3110186a5a8 |
12 | 136b58381a7 |
13 | 7771573c99 |
14 | 3c6846c5d5 |
15 | 215756044d |
hex | 12b77b9a0f |
80387742223 has 8 divisors (see below), whose sum is σ = 85324548960. Its totient is φ = 75474059520.
The previous prime is 80387742091. The next prime is 80387742233. The reversal of 80387742223 is 32224778308.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-80387742223 is a prime.
It is a super-2 number, since 2×803877422232 (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 (80387742233) 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, 5773843 + ... + 5787748.
It is an arithmetic number, because the mean of its divisors is an integer number (10665568620).
Almost surely, 280387742223 is an apocalyptic number.
80387742223 is a deficient number, since it is larger than the sum of its proper divisors (4936806737).
80387742223 is a wasteful number, since it uses less digits than its factorization.
80387742223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11562017.
The product of its (nonzero) digits is 903168, while the sum is 46.
The spelling of 80387742223 in words is "eighty billion, three hundred eighty-seven million, seven hundred forty-two thousand, two hundred twenty-three".
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