Base | Representation |
---|---|
bin | 110000011001111110… |
… | …000001000011010110 |
3 | 11222011020200120012222 |
4 | 300121332001003112 |
5 | 1322421133421230 |
6 | 35513242542342 |
7 | 3516665501600 |
oct | 603176010326 |
9 | 158136616188 |
10 | 51975295190 |
11 | 20051776615 |
12 | a0a65079b2 |
13 | 4b94077350 |
14 | 2730bd8170 |
15 | 1542ec76e5 |
hex | c19f810d6 |
51975295190 has 96 divisors (see below), whose sum is σ = 117284013504. Its totient is φ = 16437738240.
The previous prime is 51975295171. The next prime is 51975295231. The reversal of 51975295190 is 9159257915.
It is a super-2 number, since 2×519752951902 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16286495 + ... + 16289685.
It is an arithmetic number, because the mean of its divisors is an integer number (1221708474).
Almost surely, 251975295190 is an apocalyptic number.
51975295190 is an abundant number, since it is smaller than the sum of its proper divisors (65308718314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51975295190 is a wasteful number, since it uses less digits than its factorization.
51975295190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5782 (or 5775 counting only the distinct ones).
The product of its (nonzero) digits is 1275750, while the sum is 53.
The spelling of 51975295190 in words is "fifty-one billion, nine hundred seventy-five million, two hundred ninety-five thousand, one hundred ninety".
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