Base | Representation |
---|---|
bin | 10010111010101100… |
… | …010011011011001110 |
3 | 1221102120200210212200 |
4 | 102322230103123032 |
5 | 313044340422022 |
6 | 13155313342330 |
7 | 1316231351565 |
oct | 227254233316 |
9 | 57376623780 |
10 | 20312045262 |
11 | 8683690273 |
12 | 3b2a5679a6 |
13 | 1bb92321c2 |
14 | da9912bdc |
15 | 7dd358bac |
hex | 4bab136ce |
20312045262 has 12 divisors (see below), whose sum is σ = 44009431440. Its totient is φ = 6770681748.
The previous prime is 20312045231. The next prime is 20312045267. The reversal of 20312045262 is 26254021302.
It is a happy number.
20312045262 is a `hidden beast` number, since 203 + 1 + 2 + 0 + 452 + 6 + 2 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20312045267) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 564223462 + ... + 564223497.
It is an arithmetic number, because the mean of its divisors is an integer number (3667452620).
Almost surely, 220312045262 is an apocalyptic number.
20312045262 is an abundant number, since it is smaller than the sum of its proper divisors (23697386178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20312045262 is a wasteful number, since it uses less digits than its factorization.
20312045262 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1128446967 (or 1128446964 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
Adding to 20312045262 its reverse (26254021302), we get a palindrome (46566066564).
The spelling of 20312045262 in words is "twenty billion, three hundred twelve million, forty-five thousand, two hundred sixty-two".
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