Base | Representation |
---|---|
bin | 1100000101110… |
… | …01111110100001 |
3 | 21001211221000121 |
4 | 12002321332201 |
5 | 201431100212 |
6 | 14021520241 |
7 | 2341045606 |
oct | 602717641 |
9 | 231757017 |
10 | 101425057 |
11 | 52285168 |
12 | 29b73081 |
13 | 18022336 |
14 | d6826ad |
15 | 8d86d07 |
hex | 60b9fa1 |
101425057 has 4 divisors (see below), whose sum is σ = 101613076. Its totient is φ = 101237040.
The previous prime is 101425033. The next prime is 101425061. The reversal of 101425057 is 750524101.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 750524101 = 2689 ⋅279109.
It can be written as a sum of positive squares in 2 ways, for example, as 40335201 + 61089856 = 6351^2 + 7816^2 .
It is a cyclic number.
It is not a de Polignac number, because 101425057 - 27 = 101424929 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (101425067) 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, 93198 + ... + 94279.
It is an arithmetic number, because the mean of its divisors is an integer number (25403269).
Almost surely, 2101425057 is an apocalyptic number.
It is an amenable number.
101425057 is a deficient number, since it is larger than the sum of its proper divisors (188019).
101425057 is an equidigital number, since it uses as much as digits as its factorization.
101425057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 188018.
The product of its (nonzero) digits is 1400, while the sum is 25.
The square root of 101425057 is about 10071.0007943600. Note that the first 3 decimals coincide. The cubic root of 101425057 is about 466.3533349631.
Adding to 101425057 its reverse (750524101), we get a palindrome (851949158).
The spelling of 101425057 in words is "one hundred one million, four hundred twenty-five thousand, fifty-seven".
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