Base | Representation |
---|---|
bin | 100101010001111000… |
… | …001101001011110001 |
3 | 10211022122111010001110 |
4 | 211101320031023301 |
5 | 1123434232103400 |
6 | 30215551223533 |
7 | 2614640510541 |
oct | 452170151361 |
9 | 124278433043 |
10 | 40028394225 |
11 | 15a80a92046 |
12 | 7911517ba9 |
13 | 3a0bc14691 |
14 | 1d1a27d321 |
15 | 1094244e50 |
hex | 951e0d2f1 |
40028394225 has 48 divisors (see below), whose sum is σ = 70519915008. Its totient is φ = 19964605440.
The previous prime is 40028394223. The next prime is 40028394233. The reversal of 40028394225 is 52249382004.
It is not a de Polignac number, because 40028394225 - 21 = 40028394223 is a prime.
It is not an unprimeable number, because it can be changed into a prime (40028394223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100192 + ... + 300158.
It is an arithmetic number, because the mean of its divisors is an integer number (1469164896).
It is a narcissistic number, because it is equal to 411 + 011 + 011 + 211 + 811 + 311 + 911 + 411 + 211 + 211 + 511.
Almost surely, 240028394225 is an apocalyptic number.
It is an amenable number.
40028394225 is a deficient number, since it is larger than the sum of its proper divisors (30491520783).
40028394225 is a wasteful number, since it uses less digits than its factorization.
40028394225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 200154 (or 200149 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 39.
The spelling of 40028394225 in words is "forty billion, twenty-eight million, three hundred ninety-four thousand, two hundred twenty-five".
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