Base | Representation |
---|---|
bin | 101000100100110… |
… | …0001111110101011 |
3 | 10111212210222101010 |
4 | 1101021201332223 |
5 | 10242012443341 |
6 | 343032355003 |
7 | 45511105434 |
oct | 12111417653 |
9 | 3455728333 |
10 | 1361452971 |
11 | 63956084a |
12 | 31bb45a63 |
13 | 1890a3398 |
14 | ccb5a48b |
15 | 7e7cd716 |
hex | 51261fab |
1361452971 has 16 divisors (see below), whose sum is σ = 1868638464. Its totient is φ = 881205024.
The previous prime is 1361452969. The next prime is 1361452979. The reversal of 1361452971 is 1792541631.
It is not a de Polignac number, because 1361452971 - 21 = 1361452969 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1361452979) 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, 10056 + ... + 53141.
It is an arithmetic number, because the mean of its divisors is an integer number (116789904).
Almost surely, 21361452971 is an apocalyptic number.
1361452971 is a deficient number, since it is larger than the sum of its proper divisors (507185493).
1361452971 is a wasteful number, since it uses less digits than its factorization.
1361452971 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63410.
The product of its digits is 45360, while the sum is 39.
The square root of 1361452971 is about 36897.8721744222. The cubic root of 1361452971 is about 1108.3260679243.
The spelling of 1361452971 in words is "one billion, three hundred sixty-one million, four hundred fifty-two thousand, nine hundred seventy-one".
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