Base | Representation |
---|---|
bin | 10011001101010011… |
… | …11101101001001100 |
3 | 222121200020121010111 |
4 | 21212221331221030 |
5 | 132104411223040 |
6 | 4423134245404 |
7 | 513355230106 |
oct | 114651755114 |
9 | 28550217114 |
10 | 10312211020 |
11 | 4411a79851 |
12 | 1bb9656864 |
13 | c845a2317 |
14 | 6db7d4576 |
15 | 4054cedea |
hex | 266a7da4c |
10312211020 has 24 divisors (see below), whose sum is σ = 21675077424. Its totient is φ = 4121182656.
The previous prime is 10312211017. The next prime is 10312211027. The reversal of 10312211020 is 2011221301.
It is a super-2 number, since 2×103122110202 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (10312211027) 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, 208462 + ... + 253141.
It is an arithmetic number, because the mean of its divisors is an integer number (903128226).
Almost surely, 210312211020 is an apocalyptic number.
10312211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10312211020 is an abundant number, since it is smaller than the sum of its proper divisors (11362866404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10312211020 is a wasteful number, since it uses less digits than its factorization.
10312211020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 462729 (or 462727 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 10312211020 its reverse (2011221301), we get a palindrome (12323432321).
The spelling of 10312211020 in words is "ten billion, three hundred twelve million, two hundred eleven thousand, twenty".
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