Base | Representation |
---|---|
bin | 10101011111100100… |
… | …100110101101100000 |
3 | 2012120100211110202012 |
4 | 111133210212231200 |
5 | 334231014031434 |
6 | 14334011212052 |
7 | 1444621016300 |
oct | 253744465540 |
9 | 65510743665 |
10 | 23078267744 |
11 | 9873098154 |
12 | 4580a47028 |
13 | 223a363c3c |
14 | 118d063600 |
15 | 9011203ce |
hex | 55f926b60 |
23078267744 has 144 divisors (see below), whose sum is σ = 54838879200. Its totient is φ = 9521197056.
The previous prime is 23078267629. The next prime is 23078267759. The reversal of 23078267744 is 44776287032.
It is a junction number, because it is equal to n+sod(n) for n = 23078267692 and 23078267701.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22871912 + ... + 22872920.
It is an arithmetic number, because the mean of its divisors is an integer number (380825550).
Almost surely, 223078267744 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 23078267744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27419439600).
23078267744 is an abundant number, since it is smaller than the sum of its proper divisors (31760611456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23078267744 is a wasteful number, since it uses less digits than its factorization.
23078267744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1565 (or 1550 counting only the distinct ones).
The product of its (nonzero) digits is 3161088, while the sum is 50.
The spelling of 23078267744 in words is "twenty-three billion, seventy-eight million, two hundred sixty-seven thousand, seven hundred forty-four".
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