Base | Representation |
---|---|
bin | 1001010010011100… |
… | …1110100010100001 |
3 | 20102202121022212221 |
4 | 2110213032202201 |
5 | 20101241424022 |
6 | 1051224151041 |
7 | 115533536452 |
oct | 22447164241 |
9 | 6382538787 |
10 | 2493311137 |
11 | 106a455619 |
12 | 597008481 |
13 | 309729a45 |
14 | 1991cd129 |
15 | e8d58cc7 |
hex | 949ce8a1 |
2493311137 has 8 divisors (see below), whose sum is σ = 2640443400. Its totient is φ = 2346230784.
The previous prime is 2493311129. The next prime is 2493311153. The reversal of 2493311137 is 7311133942.
It can be written as a sum of positive squares in 4 ways, for example, as 476941921 + 2016369216 = 21839^2 + 44904^2 .
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 2493311137 - 23 = 2493311129 is a prime.
It is a super-4 number, since 4×24933111374 (a number of 39 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (2493312137) 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, 132789 + ... + 150397.
It is an arithmetic number, because the mean of its divisors is an integer number (330055425).
Almost surely, 22493311137 is an apocalyptic number.
It is an amenable number.
2493311137 is a deficient number, since it is larger than the sum of its proper divisors (147132263).
2493311137 is a wasteful number, since it uses less digits than its factorization.
2493311137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25955.
The product of its digits is 13608, while the sum is 34.
The square root of 2493311137 is about 49933.0665691584. The cubic root of 2493311137 is about 1355.9973026707.
The spelling of 2493311137 in words is "two billion, four hundred ninety-three million, three hundred eleven thousand, one hundred thirty-seven".
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