Base | Representation |
---|---|
bin | 10001111101110010… |
… | …011110111111110100 |
3 | 1211210101000111121210 |
4 | 101331302132333310 |
5 | 304001301132343 |
6 | 12510053041420 |
7 | 1252013315340 |
oct | 217562367764 |
9 | 54711014553 |
10 | 19290255348 |
11 | 81a99343a1 |
12 | 38a4326270 |
13 | 1a85635ca0 |
14 | d0dd32620 |
15 | 77d7c1333 |
hex | 47dc9eff4 |
19290255348 has 48 divisors (see below), whose sum is σ = 55397659520. Its totient is φ = 5087539584.
The previous prime is 19290255323. The next prime is 19290255373. The reversal of 19290255348 is 84355209291.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (19290255323) and next prime (19290255373).
It is a super-2 number, since 2×192902553482 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 19290255297 and 19290255306.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8831443 + ... + 8833626.
Almost surely, 219290255348 is an apocalyptic number.
It is an amenable number.
19290255348 is an abundant number, since it is smaller than the sum of its proper divisors (36107404172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19290255348 is a wasteful number, since it uses less digits than its factorization.
19290255348 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17665096 (or 17665094 counting only the distinct ones).
The product of its (nonzero) digits is 777600, while the sum is 48.
The spelling of 19290255348 in words is "nineteen billion, two hundred ninety million, two hundred fifty-five thousand, three hundred forty-eight".
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