Base | Representation |
---|---|
bin | 111101000010010… |
… | …101001010011111 |
3 | 2122100212122221022 |
4 | 331002111022133 |
5 | 4044122134101 |
6 | 245340154355 |
7 | 34243015256 |
oct | 7502251237 |
9 | 2570778838 |
10 | 1024021151 |
11 | 48604027a |
12 | 246b389bb |
13 | 1341ca99a |
14 | 9a00179d |
15 | 5ed78a1b |
hex | 3d09529f |
1024021151 has 4 divisors (see below), whose sum is σ = 1038048912. Its totient is φ = 1009993392.
The previous prime is 1024021133. The next prime is 1024021181. The reversal of 1024021151 is 1511204201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1511204201 = 13 ⋅116246477.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1024021151 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1024021181) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7013771 + ... + 7013916.
It is an arithmetic number, because the mean of its divisors is an integer number (259512228).
Almost surely, 21024021151 is an apocalyptic number.
1024021151 is a deficient number, since it is larger than the sum of its proper divisors (14027761).
1024021151 is an equidigital number, since it uses as much as digits as its factorization.
1024021151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14027760.
The product of its (nonzero) digits is 80, while the sum is 17.
The square root of 1024021151 is about 32000.3304826685. The cubic root of 1024021151 is about 1007.9437796051.
Adding to 1024021151 its reverse (1511204201), we get a palindrome (2535225352).
The spelling of 1024021151 in words is "one billion, twenty-four million, twenty-one thousand, one hundred fifty-one".
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