Base | Representation |
---|---|
bin | 10010110011001011… |
… | …101111111111110000 |
3 | 1221002210122122201011 |
4 | 102303023233333300 |
5 | 312320113233044 |
6 | 13135013320304 |
7 | 1313141526010 |
oct | 226313577760 |
9 | 57083578634 |
10 | 20186071024 |
11 | 8619568a29 |
12 | 3ab4336094 |
13 | 1b990c5c32 |
14 | d96cbdc40 |
15 | 7d2273134 |
hex | 4b32efff0 |
20186071024 has 20 divisors (see below), whose sum is σ = 44697728944. Its totient is φ = 8651173248.
The previous prime is 20186071001. The next prime is 20186071027. The reversal of 20186071024 is 42017068102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20186071027) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90116277 + ... + 90116500.
Almost surely, 220186071024 is an apocalyptic number.
It is an amenable number.
20186071024 is an abundant number, since it is smaller than the sum of its proper divisors (24511657920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20186071024 is a wasteful number, since it uses less digits than its factorization.
20186071024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180232792 (or 180232786 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 31.
The spelling of 20186071024 in words is "twenty billion, one hundred eighty-six million, seventy-one thousand, twenty-four".
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