Base | Representation |
---|---|
bin | 10001111111001101… |
… | …000100111101100011 |
3 | 1211212000201001101111 |
4 | 101333031010331203 |
5 | 304023341110221 |
6 | 12512302044151 |
7 | 1252422216004 |
oct | 217715047543 |
9 | 54760631344 |
10 | 19314003811 |
11 | 8211284a23 |
12 | 38b0279657 |
13 | 1a8a52c62b |
14 | d131551ab |
15 | 780912be1 |
hex | 47f344f63 |
19314003811 has 8 divisors (see below), whose sum is σ = 20475876224. Its totient is φ = 18185808960.
The previous prime is 19314003809. The next prime is 19314003847. The reversal of 19314003811 is 11830041391.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 19314003811 - 21 = 19314003809 is a prime.
It is a super-2 number, since 2×193140038112 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (19314003211) 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, 8418210 + ... + 8420503.
It is an arithmetic number, because the mean of its divisors is an integer number (2559484528).
Almost surely, 219314003811 is an apocalyptic number.
19314003811 is a deficient number, since it is larger than the sum of its proper divisors (1161872413).
19314003811 is a wasteful number, since it uses less digits than its factorization.
19314003811 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16838781.
The product of its (nonzero) digits is 2592, while the sum is 31.
The spelling of 19314003811 in words is "nineteen billion, three hundred fourteen million, three thousand, eight hundred eleven".
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