Base | Representation |
---|---|
bin | 110101111001100100… |
… | …010010110111000101 |
3 | 12112101100101112122222 |
4 | 311321210102313011 |
5 | 1422011234214141 |
6 | 42330443302125 |
7 | 4116114003020 |
oct | 657144226705 |
9 | 175340345588 |
10 | 57874132421 |
11 | 225a9491306 |
12 | b271b1a945 |
13 | 55c41b3291 |
14 | 2b303d21b7 |
15 | 178accb14b |
hex | d79912dc5 |
57874132421 has 16 divisors (see below), whose sum is σ = 69030033408. Its totient is φ = 47441050800.
The previous prime is 57874132391. The next prime is 57874132423. The reversal of 57874132421 is 12423147875.
It is a cyclic number.
It is not a de Polignac number, because 57874132421 - 218 = 57873870277 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57874132423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957776 + ... + 1016406.
It is an arithmetic number, because the mean of its divisors is an integer number (4314377088).
Almost surely, 257874132421 is an apocalyptic number.
It is an amenable number.
57874132421 is a deficient number, since it is larger than the sum of its proper divisors (11155900987).
57874132421 is a wasteful number, since it uses less digits than its factorization.
57874132421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64792.
The product of its digits is 376320, while the sum is 44.
The spelling of 57874132421 in words is "fifty-seven billion, eight hundred seventy-four million, one hundred thirty-two thousand, four hundred twenty-one".
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