Base | Representation |
---|---|
bin | 100100010101100100… |
… | …1010000101110011000 |
3 | 21110102021100022010010 |
4 | 1020223021100232120 |
5 | 2234303003300131 |
6 | 55503055321520 |
7 | 5431510522020 |
oct | 1105311205630 |
9 | 243367308103 |
10 | 78033259416 |
11 | 30103816842 |
12 | 131592202a0 |
13 | 74878341a8 |
14 | 3ac389aa80 |
15 | 206a9cab46 |
hex | 122b250b98 |
78033259416 has 128 divisors (see below), whose sum is σ = 227366092800. Its totient is φ = 21857946240.
The previous prime is 78033259411. The next prime is 78033259441. The reversal of 78033259416 is 61495233087.
It is a super-2 number, since 2×780332594162 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78033259411) 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, 1805305 + ... + 1848023.
It is an arithmetic number, because the mean of its divisors is an integer number (1776297600).
It is a 1-persistent number, because it is pandigital, but 2⋅78033259416 = 156066518832 is not.
Almost surely, 278033259416 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 78033259416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113683046400).
78033259416 is an abundant number, since it is smaller than the sum of its proper divisors (149332833384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78033259416 is a wasteful number, since it uses less digits than its factorization.
78033259416 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42949 (or 42945 counting only the distinct ones).
The product of its (nonzero) digits is 1088640, while the sum is 48.
The spelling of 78033259416 in words is "seventy-eight billion, thirty-three million, two hundred fifty-nine thousand, four hundred sixteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •