Base | Representation |
---|---|
bin | 101001001010011… |
… | …1100011010010101 |
3 | 10120021000100102202 |
4 | 1102110330122111 |
5 | 10312043101122 |
6 | 345020214245 |
7 | 46141123256 |
oct | 12224743225 |
9 | 3507010382 |
10 | 1381222037 |
11 | 649733618 |
12 | 32669a385 |
13 | 190205660 |
14 | d1624b2d |
15 | 813d5e92 |
hex | 5253c695 |
1381222037 has 8 divisors (see below), whose sum is σ = 1512682080. Its totient is φ = 1253363760.
The previous prime is 1381222033. The next prime is 1381222057. The reversal of 1381222037 is 7302221831.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1381222037 - 22 = 1381222033 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1381222033) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899639 + ... + 901172.
It is an arithmetic number, because the mean of its divisors is an integer number (189085260).
Almost surely, 21381222037 is an apocalyptic number.
It is an amenable number.
1381222037 is a deficient number, since it is larger than the sum of its proper divisors (131460043).
1381222037 is a wasteful number, since it uses less digits than its factorization.
1381222037 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1800883.
The product of its (nonzero) digits is 4032, while the sum is 29.
The square root of 1381222037 is about 37164.7956674055. The cubic root of 1381222037 is about 1113.6648169620.
Adding to 1381222037 its reverse (7302221831), we get a palindrome (8683443868).
The spelling of 1381222037 in words is "one billion, three hundred eighty-one million, two hundred twenty-two thousand, thirty-seven".
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