Base | Representation |
---|---|
bin | 100101010001100100… |
… | …011011100010011100 |
3 | 10211022021201201211022 |
4 | 211101210123202130 |
5 | 1123431420211030 |
6 | 30215244143312 |
7 | 2614545446564 |
oct | 452144334234 |
9 | 124267651738 |
10 | 40023210140 |
11 | 15a79071181 |
12 | 790b837b38 |
13 | 3a0ab1ab84 |
14 | 1d196cdda4 |
15 | 1093a6dde5 |
hex | 95191b89c |
40023210140 has 24 divisors (see below), whose sum is σ = 84662241552. Its totient is φ = 15892426880.
The previous prime is 40023210119. The next prime is 40023210163. The reversal of 40023210140 is 4101232004.
It is a congruent number.
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, 7300766 + ... + 7306245.
It is an arithmetic number, because the mean of its divisors is an integer number (3527593398).
Almost surely, 240023210140 is an apocalyptic number.
It is an amenable number.
40023210140 is an abundant number, since it is smaller than the sum of its proper divisors (44639031412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40023210140 is a wasteful number, since it uses less digits than its factorization.
40023210140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14607157 (or 14607155 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 40023210140 its reverse (4101232004), we get a palindrome (44124442144).
The spelling of 40023210140 in words is "forty billion, twenty-three million, two hundred ten thousand, one hundred forty".
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