Base | Representation |
---|---|
bin | 1111011110101000… |
… | …0110110010101100 |
3 | 101201120101101111102 |
4 | 3313222012302230 |
5 | 32002140311340 |
6 | 1524144142232 |
7 | 204652001264 |
oct | 36752066254 |
9 | 11646341442 |
10 | 4155010220 |
11 | 1842438749 |
12 | 97b607978 |
13 | 512a85c3a |
14 | 2b5b847a4 |
15 | 194b94215 |
hex | f7a86cac |
4155010220 has 24 divisors (see below), whose sum is σ = 8762040000. Its totient is φ = 1655048192.
The previous prime is 4155010219. The next prime is 4155010253. The reversal of 4155010220 is 220105514.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 4155010192 and 4155010201.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429845 + ... + 439404.
It is an arithmetic number, because the mean of its divisors is an integer number (365085000).
Almost surely, 24155010220 is an apocalyptic number.
It is an amenable number.
4155010220 is an abundant number, since it is smaller than the sum of its proper divisors (4607029780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4155010220 is a wasteful number, since it uses less digits than its factorization.
4155010220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 869497 (or 869495 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 20.
The square root of 4155010220 is about 64459.3687527267. The cubic root of 4155010220 is about 1607.6470161353.
Adding to 4155010220 its reverse (220105514), we get a palindrome (4375115734).
The spelling of 4155010220 in words is "four billion, one hundred fifty-five million, ten thousand, two hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •