Base | Representation |
---|---|
bin | 1011101111010001… |
… | …0001101010101000 |
3 | 22010121020120201012 |
4 | 2323310101222220 |
5 | 22423131340430 |
6 | 1240401443052 |
7 | 141041265662 |
oct | 27364215250 |
9 | 8117216635 |
10 | 3151043240 |
11 | 1377755474 |
12 | 73b340488 |
13 | 3b2a8a237 |
14 | 21c6c3532 |
15 | 13697c695 |
hex | bbd11aa8 |
3151043240 has 32 divisors (see below), whose sum is σ = 7398103680. Its totient is φ = 1205616192.
The previous prime is 3151043221. The next prime is 3151043243. The reversal of 3151043240 is 423401513.
3151043240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is not an unprimeable number, because it can be changed into a prime (3151043243) 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, 1711604 + ... + 1713443.
It is an arithmetic number, because the mean of its divisors is an integer number (231190740).
Almost surely, 23151043240 is an apocalyptic number.
It is an amenable number.
3151043240 is an abundant number, since it is smaller than the sum of its proper divisors (4247060440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3151043240 is a wasteful number, since it uses less digits than its factorization.
3151043240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3425081 (or 3425077 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 3151043240 is about 56134.1539528298. The cubic root of 3151043240 is about 1466.0590198633.
Adding to 3151043240 its reverse (423401513), we get a palindrome (3574444753).
The spelling of 3151043240 in words is "three billion, one hundred fifty-one million, forty-three thousand, two hundred forty".
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