Base | Representation |
---|---|
bin | 100101101000001101… |
… | …110001110100101000 |
3 | 10212021202122120200120 |
4 | 211220031301310220 |
5 | 1130221201214242 |
6 | 30321055403240 |
7 | 2630141043420 |
oct | 455015616450 |
9 | 125252576616 |
10 | 40403148072 |
11 | 16153584171 |
12 | 79b6b23520 |
13 | 3a6b756a11 |
14 | 1d53d51480 |
15 | 10b70bd1ec |
hex | 968371d28 |
40403148072 has 32 divisors (see below), whose sum is σ = 115437566400. Its totient is φ = 11543756544.
The previous prime is 40403148061. The next prime is 40403148083. The reversal of 40403148072 is 27084130404.
It is an interprime number because it is at equal distance from previous prime (40403148061) and next prime (40403148083).
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, 120247297 + ... + 120247632.
It is an arithmetic number, because the mean of its divisors is an integer number (3607423950).
Almost surely, 240403148072 is an apocalyptic number.
40403148072 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is an amenable number.
40403148072 is an abundant number, since it is smaller than the sum of its proper divisors (75034418328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40403148072 is a wasteful number, since it uses less digits than its factorization.
40403148072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 240494945 (or 240494941 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 33.
Adding to 40403148072 its reverse (27084130404), we get a palindrome (67487278476).
The spelling of 40403148072 in words is "forty billion, four hundred three million, one hundred forty-eight thousand, seventy-two".
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