Base | Representation |
---|---|
bin | 11011010101010101000110… |
… | …011010100011010000100111 |
3 | 120202122020211010101201100202 |
4 | 123111111012122203100213 |
5 | 111224032231334404111 |
6 | 1103401033252301115 |
7 | 34215050504004242 |
oct | 3325250632432047 |
9 | 522566733351322 |
10 | 120213021013031 |
11 | 35338068462201 |
12 | 1159610961179b |
13 | 521006829708b |
14 | 21984ac5ca259 |
15 | dd703acccb3b |
hex | 6d55466a3427 |
120213021013031 has 16 divisors (see below), whose sum is σ = 126618140605440. Its totient is φ = 113815725566400.
The previous prime is 120213021013013. The next prime is 120213021013079. The reversal of 120213021013031 is 130310120312021.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-120213021013031 is a prime.
It is a super-2 number, since 2×1202130210130312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120213021012994 and 120213021013012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120213021033031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364334576 + ... + 364664378.
It is an arithmetic number, because the mean of its divisors is an integer number (7913633787840).
Almost surely, 2120213021013031 is an apocalyptic number.
120213021013031 is a deficient number, since it is larger than the sum of its proper divisors (6405119592409).
120213021013031 is a wasteful number, since it uses less digits than its factorization.
120213021013031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 341606.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 120213021013031 its reverse (130310120312021), we get a palindrome (250523141325052).
The spelling of 120213021013031 in words is "one hundred twenty trillion, two hundred thirteen billion, twenty-one million, thirteen thousand, thirty-one".
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