Base | Representation |
---|---|
bin | 111001111110111… |
… | …1011101001111000 |
3 | 12000121000110222122 |
4 | 1303331323221320 |
5 | 12441034134333 |
6 | 521021140412 |
7 | 66133311563 |
oct | 16375735170 |
9 | 5017013878 |
10 | 1945614968 |
11 | 909281360 |
12 | 4636ba708 |
13 | 25011507b |
14 | 14657d4da |
15 | b5c1d798 |
hex | 73f7ba78 |
1945614968 has 16 divisors (see below), whose sum is σ = 3979667160. Its totient is φ = 884370400.
The previous prime is 1945614967. The next prime is 1945614971. The reversal of 1945614968 is 8694165491.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1945614967) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11054543 + ... + 11054718.
Almost surely, 21945614968 is an apocalyptic number.
It is an amenable number.
1945614968 is an abundant number, since it is smaller than the sum of its proper divisors (2034052192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1945614968 is a wasteful number, since it uses less digits than its factorization.
1945614968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22109278 (or 22109274 counting only the distinct ones).
The product of its digits is 1866240, while the sum is 53.
The square root of 1945614968 is about 44109.1256771204. The cubic root of 1945614968 is about 1248.3958019596.
The spelling of 1945614968 in words is "one billion, nine hundred forty-five million, six hundred fourteen thousand, nine hundred sixty-eight".
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