Base | Representation |
---|---|
bin | 1011110000001110… |
… | …0011111110110100 |
3 | 22010212210011112021 |
4 | 2330003203332310 |
5 | 22430143103140 |
6 | 1241023402524 |
7 | 141120325504 |
oct | 27403437664 |
9 | 8125704467 |
10 | 3155050420 |
11 | 1379a42095 |
12 | 740753444 |
13 | 3b3861152 |
14 | 21d047a04 |
15 | 136ebeb4a |
hex | bc0e3fb4 |
3155050420 has 48 divisors (see below), whose sum is σ = 6877785600. Its totient is φ = 1214444160.
The previous prime is 3155050399. The next prime is 3155050427. The reversal of 3155050420 is 240505513.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3155050427) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96766 + ... + 125194.
It is an arithmetic number, because the mean of its divisors is an integer number (143287200).
Almost surely, 23155050420 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 3155050420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3438892800).
3155050420 is an abundant number, since it is smaller than the sum of its proper divisors (3722735180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3155050420 is a wasteful number, since it uses less digits than its factorization.
3155050420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28648 (or 28646 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 3155050420 is about 56169.8354991360. The cubic root of 3155050420 is about 1466.6802187683.
Adding to 3155050420 its reverse (240505513), we get a palindrome (3395555933).
The spelling of 3155050420 in words is "three billion, one hundred fifty-five million, fifty thousand, four hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •