Base | Representation |
---|---|
bin | 10010101111010000… |
… | …011110101100011010 |
3 | 1220221012201011102001 |
4 | 102233100132230122 |
5 | 312201232431020 |
6 | 13124301431214 |
7 | 1311411616036 |
oct | 225720365432 |
9 | 56835634361 |
10 | 20120202010 |
11 | 8595369627 |
12 | 3a9626b50a |
13 | 1b8857279c |
14 | d8c2551c6 |
15 | 7cb5b150a |
hex | 4af41eb1a |
20120202010 has 16 divisors (see below), whose sum is σ = 36351001800. Its totient is φ = 8018161216.
The previous prime is 20120201999. The next prime is 20120202031. The reversal of 20120202010 is 1020202102.
It can be written as a sum of positive squares in 4 ways, for example, as 9052951609 + 11067250401 = 95147^2 + 105201^2 .
It is a super-3 number, since 3×201202020103 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3737125 + ... + 3742504.
Almost surely, 220120202010 is an apocalyptic number.
20120202010 is a deficient number, since it is larger than the sum of its proper divisors (16230799790).
20120202010 is a wasteful number, since it uses less digits than its factorization.
20120202010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7479905.
The product of its (nonzero) digits is 16, while the sum is 10.
Adding to 20120202010 its reverse (1020202102), we get a palindrome (21140404112).
The spelling of 20120202010 in words is "twenty billion, one hundred twenty million, two hundred two thousand, ten".
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