Base | Representation |
---|---|
bin | 111001110010110… |
… | …0100110110111101 |
3 | 12000011000002122120 |
4 | 1303211210312331 |
5 | 12432420331031 |
6 | 520232233153 |
7 | 66025120122 |
oct | 16345446675 |
9 | 5004002576 |
10 | 1939230141 |
11 | 905710342 |
12 | 46153b7b9 |
13 | 24b9bab74 |
14 | 14579a749 |
15 | b53aba96 |
hex | 73964dbd |
1939230141 has 8 divisors (see below), whose sum is σ = 2669048064. Its totient is φ = 1251116160.
The previous prime is 1939230133. The next prime is 1939230149. The reversal of 1939230141 is 1410329391.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1939230133) and next prime (1939230149).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1939230141 - 23 = 1939230133 is a prime.
It is a super-2 number, since 2×19392301412 = 7521227079525759762, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1939230149) 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 7 ways as a sum of consecutive naturals, for example, 10425876 + ... + 10426061.
It is an arithmetic number, because the mean of its divisors is an integer number (333631008).
Almost surely, 21939230141 is an apocalyptic number.
It is an amenable number.
1939230141 is a deficient number, since it is larger than the sum of its proper divisors (729817923).
1939230141 is a wasteful number, since it uses less digits than its factorization.
1939230141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20851971.
The product of its (nonzero) digits is 5832, while the sum is 33.
The square root of 1939230141 is about 44036.6908497902. The cubic root of 1939230141 is about 1247.0287061398.
The spelling of 1939230141 in words is "one billion, nine hundred thirty-nine million, two hundred thirty thousand, one hundred forty-one".
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