Base | Representation |
---|---|
bin | 1011101101111101… |
… | …0101100111111111 |
3 | 22010012220201110222 |
4 | 2323133111213333 |
5 | 22420230220211 |
6 | 1240044051555 |
7 | 140643525425 |
oct | 27337254777 |
9 | 8105821428 |
10 | 3145554431 |
11 | 1374646668 |
12 | 739533bbb |
13 | 3b18b7b16 |
14 | 21ba95115 |
15 | 1362461db |
hex | bb7d59ff |
3145554431 has 8 divisors (see below), whose sum is σ = 3157612224. Its totient is φ = 3133516320.
The previous prime is 3145554427. The next prime is 3145554437. The reversal of 3145554431 is 1344555413.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3145554431 - 22 = 3145554427 is a prime.
It is a super-2 number, since 2×31455544312 = 19789025356767467522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3145554391 and 3145554400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3145554437) 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, 367541 + ... + 376001.
It is an arithmetic number, because the mean of its divisors is an integer number (394701528).
Almost surely, 23145554431 is an apocalyptic number.
3145554431 is a deficient number, since it is larger than the sum of its proper divisors (12057793).
3145554431 is a wasteful number, since it uses less digits than its factorization.
3145554431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9841.
The product of its digits is 72000, while the sum is 35.
The square root of 3145554431 is about 56085.2425420449. The cubic root of 3145554431 is about 1465.2072813362.
The spelling of 3145554431 in words is "three billion, one hundred forty-five million, five hundred fifty-four thousand, four hundred thirty-one".
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