Base | Representation |
---|---|
bin | 101111101110111111… |
… | …010011001011001010 |
3 | 11220021222211201001021 |
4 | 233232333103023022 |
5 | 1314432034230044 |
6 | 35313523343054 |
7 | 3463061415250 |
oct | 575677231312 |
9 | 156258751037 |
10 | 51254211274 |
11 | 1a8117365a2 |
12 | 9b24b21a8a |
13 | 4aaa865386 |
14 | 26a31325d0 |
15 | 14eea3ce84 |
hex | beefd32ca |
51254211274 has 32 divisors (see below), whose sum is σ = 92910892032. Its totient is φ = 20739024000.
The previous prime is 51254211247. The next prime is 51254211277. The reversal of 51254211274 is 47211245215.
It is not an unprimeable number, because it can be changed into a prime (51254211277) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1422417 + ... + 1458004.
It is an arithmetic number, because the mean of its divisors is an integer number (2903465376).
Almost surely, 251254211274 is an apocalyptic number.
51254211274 is a deficient number, since it is larger than the sum of its proper divisors (41656680758).
51254211274 is a wasteful number, since it uses less digits than its factorization.
51254211274 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2880502.
The product of its digits is 22400, while the sum is 34.
Adding to 51254211274 its reverse (47211245215), we get a palindrome (98465456489).
The spelling of 51254211274 in words is "fifty-one billion, two hundred fifty-four million, two hundred eleven thousand, two hundred seventy-four".
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