Base | Representation |
---|---|
bin | 111001001111100… |
… | …1001111001001110 |
3 | 11221212021012120100 |
4 | 1302133021321032 |
5 | 12413204111424 |
6 | 514332431530 |
7 | 65412162261 |
oct | 16237117116 |
9 | 4855235510 |
10 | 1920769614 |
11 | 8a6251705 |
12 | 4573185a6 |
13 | 247c2638a |
14 | 143152cd8 |
15 | b3961dc9 |
hex | 727c9e4e |
1920769614 has 12 divisors (see below), whose sum is σ = 4161667536. Its totient is φ = 640256532.
The previous prime is 1920769597. The next prime is 1920769637. The reversal of 1920769614 is 4169670291.
1920769614 is a `hidden beast` number, since 1 + 9 + 20 + 7 + 6 + 9 + 614 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 1920769614.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53354694 + ... + 53354729.
It is an arithmetic number, because the mean of its divisors is an integer number (346805628).
Almost surely, 21920769614 is an apocalyptic number.
1920769614 is an abundant number, since it is smaller than the sum of its proper divisors (2240897922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1920769614 is a wasteful number, since it uses less digits than its factorization.
1920769614 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106709431 (or 106709428 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 45.
The square root of 1920769614 is about 43826.5856986373. The cubic root of 1920769614 is about 1243.0590475336.
The spelling of 1920769614 in words is "one billion, nine hundred twenty million, seven hundred sixty-nine thousand, six hundred fourteen".
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