Base | Representation |
---|---|
bin | 100101010100000… |
… | …0010000100001111 |
3 | 10020020212121101100 |
4 | 1022220002010033 |
5 | 10031003230312 |
6 | 324122514143 |
7 | 43011615462 |
oct | 11250020417 |
9 | 3206777340 |
10 | 1252008207 |
11 | 5927a932a |
12 | 2ab365953 |
13 | 16c503978 |
14 | bc3cb2d9 |
15 | 74db05dc |
hex | 4aa0210f |
1252008207 has 6 divisors (see below), whose sum is σ = 1808456312. Its totient is φ = 834672132.
The previous prime is 1252008203. The next prime is 1252008209. The reversal of 1252008207 is 7028002521.
It is not a de Polignac number, because 1252008207 - 22 = 1252008203 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1252008203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69556003 + ... + 69556020.
Almost surely, 21252008207 is an apocalyptic number.
1252008207 is a deficient number, since it is larger than the sum of its proper divisors (556448105).
1252008207 is a wasteful number, since it uses less digits than its factorization.
1252008207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139112029 (or 139112026 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 1252008207 is about 35383.7279974849. The cubic root of 1252008207 is about 1077.7939098064.
The spelling of 1252008207 in words is "one billion, two hundred fifty-two million, eight thousand, two hundred seven".
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