Base | Representation |
---|---|
bin | 10010110101010100… |
… | …11010110101110100 |
3 | 222002122122020000101 |
4 | 21122222122311310 |
5 | 131201404112040 |
6 | 4351145523444 |
7 | 505363054555 |
oct | 113252326564 |
9 | 28078566011 |
10 | 10111004020 |
11 | 4319441a77 |
12 | 1b621a3584 |
13 | c519b4820 |
14 | 6bcbba32c |
15 | 3e29d809a |
hex | 25aa9ad74 |
10111004020 has 48 divisors (see below), whose sum is σ = 23604069888. Its totient is φ = 3612862080.
The previous prime is 10111004017. The next prime is 10111004039. The reversal of 10111004020 is 2040011101.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 10111003988 and 10111004006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619174 + ... + 635293.
It is an arithmetic number, because the mean of its divisors is an integer number (491751456).
Almost surely, 210111004020 is an apocalyptic number.
10111004020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10111004020 is an abundant number, since it is smaller than the sum of its proper divisors (13493065868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10111004020 is a wasteful number, since it uses less digits than its factorization.
10111004020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1254520 (or 1254518 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 10111004020 its reverse (2040011101), we get a palindrome (12151015121).
The spelling of 10111004020 in words is "ten billion, one hundred eleven million, four thousand, twenty".
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