Base | Representation |
---|---|
bin | 1011101101111001… |
… | …1000000001111110 |
3 | 22010012102220101221 |
4 | 2323132120001332 |
5 | 22420144132032 |
6 | 1240034423554 |
7 | 140641425043 |
oct | 27336300176 |
9 | 8105386357 |
10 | 3145302142 |
11 | 1374494064 |
12 | 739431bba |
13 | 3b182a038 |
14 | 21ba2b1ca |
15 | 1361e6597 |
hex | bb79807e |
3145302142 has 48 divisors (see below), whose sum is σ = 5162451840. Its totient is φ = 1433093472.
The previous prime is 3145302131. The next prime is 3145302143. The reversal of 3145302142 is 2412035413.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3145302143) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5357973 + ... + 5358559.
It is an arithmetic number, because the mean of its divisors is an integer number (107551080).
Almost surely, 23145302142 is an apocalyptic number.
3145302142 is a deficient number, since it is larger than the sum of its proper divisors (2017149698).
3145302142 is a wasteful number, since it uses less digits than its factorization.
3145302142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 785 (or 748 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 3145302142 is about 56082.9933402275. The cubic root of 3145302142 is about 1465.1681080022.
Adding to 3145302142 its reverse (2412035413), we get a palindrome (5557337555).
The spelling of 3145302142 in words is "three billion, one hundred forty-five million, three hundred two thousand, one hundred forty-two".
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