Base | Representation |
---|---|
bin | 1011101110000010… |
… | …1101100110010110 |
3 | 22010020121000210000 |
4 | 2323200231212112 |
5 | 22420323233044 |
6 | 1240055512130 |
7 | 140646556122 |
oct | 27340554626 |
9 | 8106530700 |
10 | 3145914774 |
11 | 1374872372 |
12 | 739688646 |
13 | 3b19b2b42 |
14 | 21bb4a582 |
15 | 1362b7d69 |
hex | bb82d996 |
3145914774 has 80 divisors (see below), whose sum is σ = 7167885120. Its totient is φ = 1031097600.
The previous prime is 3145914763. The next prime is 3145914817. The reversal of 3145914774 is 4774195413.
It is a happy number.
3145914774 is a `hidden beast` number, since 3 + 14 + 591 + 47 + 7 + 4 = 666.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5131692 + ... + 5132304.
It is an arithmetic number, because the mean of its divisors is an integer number (89598564).
Almost surely, 23145914774 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3145914774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3583942560).
3145914774 is an abundant number, since it is smaller than the sum of its proper divisors (4021970346).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3145914774 is a wasteful number, since it uses less digits than its factorization.
3145914774 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1107 (or 1098 counting only the distinct ones).
The product of its digits is 423360, while the sum is 45.
The square root of 3145914774 is about 56088.4549082964. The cubic root of 3145914774 is about 1465.2632287629.
The spelling of 3145914774 in words is "three billion, one hundred forty-five million, nine hundred fourteen thousand, seven hundred seventy-four".
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