Base | Representation |
---|---|
bin | 100100001010001… |
… | …0111110101010100 |
3 | 10010120001000202222 |
4 | 1020110113311110 |
5 | 4441101100202 |
6 | 320221121512 |
7 | 42031610636 |
oct | 11024276524 |
9 | 3116030688 |
10 | 1213300052 |
11 | 572970318 |
12 | 29a3b9298 |
13 | 1644a0133 |
14 | b71d2a56 |
15 | 717b64a2 |
hex | 48517d54 |
1213300052 has 12 divisors (see below), whose sum is σ = 2154966240. Its totient is φ = 597595416.
The previous prime is 1213300019. The next prime is 1213300061. The reversal of 1213300052 is 2500033121.
It is a self number, because there is not a number n which added to its sum of digits gives 1213300052.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2263352 + ... + 2263887.
It is an arithmetic number, because the mean of its divisors is an integer number (179580520).
Almost surely, 21213300052 is an apocalyptic number.
It is an amenable number.
1213300052 is a deficient number, since it is larger than the sum of its proper divisors (941666188).
1213300052 is a wasteful number, since it uses less digits than its factorization.
1213300052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4527310 (or 4527308 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 1213300052 is about 34832.4568757359. The cubic root of 1213300052 is about 1066.5701019788.
Adding to 1213300052 its reverse (2500033121), we get a palindrome (3713333173).
The spelling of 1213300052 in words is "one billion, two hundred thirteen million, three hundred thousand, fifty-two".
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