Base | Representation |
---|---|
bin | 111111101001100… |
… | …1101111101101001 |
3 | 12111211210001111000 |
4 | 1333103031331221 |
5 | 13333222304421 |
6 | 551532225213 |
7 | 103632345642 |
oct | 17723157551 |
9 | 5454701430 |
10 | 2135744361 |
11 | 9a6632393 |
12 | 4b730b209 |
13 | 28062467a |
14 | 1639126c9 |
15 | c7778226 |
hex | 7f4cdf69 |
2135744361 has 16 divisors (see below), whose sum is σ = 3166963200. Its totient is φ = 1422525744.
The previous prime is 2135744329. The next prime is 2135744371. The reversal of 2135744361 is 1634475312.
2135744361 is a `hidden beast` number, since 21 + 3 + 574 + 4 + 3 + 61 = 666.
It is not a de Polignac number, because 2135744361 - 25 = 2135744329 is a prime.
It is a super-2 number, since 2×21357443612 = 9122807951086596642, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2135744371) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5721 + ... + 65606.
It is an arithmetic number, because the mean of its divisors is an integer number (197935200).
Almost surely, 22135744361 is an apocalyptic number.
It is an amenable number.
2135744361 is a deficient number, since it is larger than the sum of its proper divisors (1031218839).
2135744361 is a wasteful number, since it uses less digits than its factorization.
2135744361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72445 (or 72439 counting only the distinct ones).
The product of its digits is 60480, while the sum is 36.
The square root of 2135744361 is about 46214.1143050475. The cubic root of 2135744361 is about 1287.8039597292.
It can be divided in two parts, 2135 and 744361, that added together give a square (746496 = 8642).
The spelling of 2135744361 in words is "two billion, one hundred thirty-five million, seven hundred forty-four thousand, three hundred sixty-one".
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