Base | Representation |
---|---|
bin | 10010101000001010… |
… | …101101101110100010 |
3 | 1220121220212210012211 |
4 | 102220022231232202 |
5 | 311430310001320 |
6 | 13104412112334 |
7 | 1305435551554 |
oct | 225012555642 |
9 | 56556783184 |
10 | 20001250210 |
11 | 8534203357 |
12 | 3a624656aa |
13 | 1b69a249c6 |
14 | d7a52d4d4 |
15 | 7c0e1655a |
hex | 4a82adba2 |
20001250210 has 64 divisors (see below), whose sum is σ = 39299165280. Its totient is φ = 7298519040.
The previous prime is 20001250151. The next prime is 20001250229. The reversal of 20001250210 is 1205210002.
It can be written as a sum of positive squares in 16 ways, for example, as 1049047321 + 18952202889 = 32389^2 + 137667^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1686100 + ... + 1697920.
Almost surely, 220001250210 is an apocalyptic number.
20001250210 is a deficient number, since it is larger than the sum of its proper divisors (19297915070).
20001250210 is a wasteful number, since it uses less digits than its factorization.
20001250210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12151.
The product of its (nonzero) digits is 40, while the sum is 13.
Adding to 20001250210 its reverse (1205210002), we get a palindrome (21206460212).
The spelling of 20001250210 in words is "twenty billion, one million, two hundred fifty thousand, two hundred ten".
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