Base | Representation |
---|---|
bin | 110101111010001011… |
… | …101001110101011110 |
3 | 12112102001210201220210 |
4 | 311322023221311132 |
5 | 1422021404401032 |
6 | 42331452353250 |
7 | 4116300464601 |
oct | 657213516536 |
9 | 175361721823 |
10 | 57884450142 |
11 | 22604299152 |
12 | b275475826 |
13 | 55c638663c |
14 | 2b3191a338 |
15 | 178bb682cc |
hex | d7a2e9d5e |
57884450142 has 16 divisors (see below), whose sum is σ = 115858728720. Its totient is φ = 19279845312.
The previous prime is 57884450111. The next prime is 57884450149. The reversal of 57884450142 is 24105448875.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 57884450091 and 57884450100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57884450149) 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, 3734473 + ... + 3749940.
It is an arithmetic number, because the mean of its divisors is an integer number (7241170545).
Almost surely, 257884450142 is an apocalyptic number.
57884450142 is an abundant number, since it is smaller than the sum of its proper divisors (57974278578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57884450142 is a wasteful number, since it uses less digits than its factorization.
57884450142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7485707.
The product of its (nonzero) digits is 1433600, while the sum is 48.
The spelling of 57884450142 in words is "fifty-seven billion, eight hundred eighty-four million, four hundred fifty thousand, one hundred forty-two".
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