Base | Representation |
---|---|
bin | 10001101111111001… |
… | …011101111111011010 |
3 | 1211012010111022221012 |
4 | 101233321131333122 |
5 | 303012121031320 |
6 | 12431010013522 |
7 | 1243153400021 |
oct | 215771357732 |
9 | 54163438835 |
10 | 19057205210 |
11 | 809a32837a |
12 | 383a2772a2 |
13 | 1a492795b4 |
14 | ccadc98b8 |
15 | 7680d94c5 |
hex | 46fe5dfda |
19057205210 has 16 divisors (see below), whose sum is σ = 34384845600. Its totient is φ = 7604687376.
The previous prime is 19057205191. The next prime is 19057205213. The reversal of 19057205210 is 1250275091.
It is a happy number.
It is a super-2 number, since 2×190572052102 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (19057205213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2269940 + ... + 2278319.
It is an arithmetic number, because the mean of its divisors is an integer number (2149052850).
Almost surely, 219057205210 is an apocalyptic number.
19057205210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19057205210 is a deficient number, since it is larger than the sum of its proper divisors (15327640390).
19057205210 is a wasteful number, since it uses less digits than its factorization.
19057205210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4548685.
The product of its (nonzero) digits is 6300, while the sum is 32.
The spelling of 19057205210 in words is "nineteen billion, fifty-seven million, two hundred five thousand, two hundred ten".
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