Base | Representation |
---|---|
bin | 100101010100100010… |
… | …010111010100010000 |
3 | 10211102202102022221220 |
4 | 211110202113110100 |
5 | 1124032142001313 |
6 | 30224223245040 |
7 | 2616021611253 |
oct | 452442272420 |
9 | 124382368856 |
10 | 40073000208 |
11 | 15aa418919a |
12 | 7924449780 |
13 | 3a18231857 |
14 | 1d2217109a |
15 | 1098106823 |
hex | 954897510 |
40073000208 has 40 divisors (see below), whose sum is σ = 103542852000. Its totient is φ = 13354965504.
The previous prime is 40073000207. The next prime is 40073000213. The reversal of 40073000208 is 80200037004.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (40073000207) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162888 + ... + 326616.
It is an arithmetic number, because the mean of its divisors is an integer number (2588571300).
Almost surely, 240073000208 is an apocalyptic number.
40073000208 is a gapful number since it is divisible by the number (48) formed by its first and last digit.
It is an amenable number.
40073000208 is an abundant number, since it is smaller than the sum of its proper divisors (63469851792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40073000208 is a wasteful number, since it uses less digits than its factorization.
40073000208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168839 (or 168833 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 24.
The spelling of 40073000208 in words is "forty billion, seventy-three million, two hundred eight", and thus it is an aban number.
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