Base | Representation |
---|---|
bin | 10010101010011110… |
… | …11000101000111000 |
3 | 221212022110022112110 |
4 | 21111033120220320 |
5 | 131010111443112 |
6 | 4334140012320 |
7 | 503206600314 |
oct | 112517305070 |
9 | 27768408473 |
10 | 10020031032 |
11 | 4282056690 |
12 | 1b378310a0 |
13 | c38bb1a5b |
14 | 6b0a98b44 |
15 | 3d9a1813c |
hex | 2553d8a38 |
10020031032 has 32 divisors (see below), whose sum is σ = 27327358080. Its totient is φ = 3036372960.
The previous prime is 10020031009. The next prime is 10020031037. The reversal of 10020031032 is 23013002001.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 10020030999 and 10020031017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10020031037) 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, 18977068 + ... + 18977595.
It is an arithmetic number, because the mean of its divisors is an integer number (853979940).
Almost surely, 210020031032 is an apocalyptic number.
10020031032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
10020031032 is an abundant number, since it is smaller than the sum of its proper divisors (17307327048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10020031032 is a wasteful number, since it uses less digits than its factorization.
10020031032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37954683 (or 37954679 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 12.
Adding to 10020031032 its reverse (23013002001), we get a palindrome (33033033033).
The spelling of 10020031032 in words is "ten billion, twenty million, thirty-one thousand, thirty-two".
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