Base | Representation |
---|---|
bin | 1110110111101010… |
… | …11110101011111000 |
3 | 202121100210102102000 |
4 | 13123311132223320 |
5 | 112322144300140 |
6 | 3400055341000 |
7 | 401555024406 |
oct | 73365365370 |
9 | 22540712360 |
10 | 7983196920 |
11 | 3427341006 |
12 | 1669681760 |
13 | 9a2c0bb7a |
14 | 55a372476 |
15 | 31accba30 |
hex | 1dbd5eaf8 |
7983196920 has 128 divisors (see below), whose sum is σ = 27259848000. Its totient is φ = 2076917760.
The previous prime is 7983196843. The next prime is 7983196933. The reversal of 7983196920 is 296913897.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45865 + ... + 134424.
Almost surely, 27983196920 is an apocalyptic number.
It is an amenable number.
7983196920 is an abundant number, since it is smaller than the sum of its proper divisors (19276651080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7983196920 is a wasteful number, since it uses less digits than its factorization.
7983196920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180350 (or 180340 counting only the distinct ones).
The product of its (nonzero) digits is 1469664, while the sum is 54.
The square root of 7983196920 is about 89348.7376519669. The cubic root of 7983196920 is about 1998.5987618284.
The spelling of 7983196920 in words is "seven billion, nine hundred eighty-three million, one hundred ninety-six thousand, nine hundred twenty".
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