Base | Representation |
---|---|
bin | 100100001011100… |
… | …1101000000010011 |
3 | 10010121102201201101 |
4 | 1020113031000103 |
5 | 4441243322011 |
6 | 320245045231 |
7 | 42041121301 |
oct | 11027150023 |
9 | 3117381641 |
10 | 1214042131 |
11 | 573327905 |
12 | 29a6b6817 |
13 | 16469cb33 |
14 | b7347271 |
15 | 718b12c1 |
hex | 485cd013 |
1214042131 has 8 divisors (see below), whose sum is σ = 1289345904. Its totient is φ = 1139170560.
The previous prime is 1214042129. The next prime is 1214042153. The reversal of 1214042131 is 1312404121.
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 1214042131 - 21 = 1214042129 is a prime.
It is a super-2 number, since 2×12140421312 = 2947796591686042322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1214042099 and 1214042108.
It is not an unprimeable number, because it can be changed into a prime (1214042111) 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, 102250 + ... + 113503.
It is an arithmetic number, because the mean of its divisors is an integer number (161168238).
Almost surely, 21214042131 is an apocalyptic number.
1214042131 is a deficient number, since it is larger than the sum of its proper divisors (75303773).
1214042131 is a wasteful number, since it uses less digits than its factorization.
1214042131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216101.
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 1214042131 is about 34843.1073671680. The cubic root of 1214042131 is about 1066.7875029882.
Adding to 1214042131 its reverse (1312404121), we get a palindrome (2526446252).
The spelling of 1214042131 in words is "one billion, two hundred fourteen million, forty-two thousand, one hundred thirty-one".
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