Base | Representation |
---|---|
bin | 10001111101110111… |
… | …101010110001010100 |
3 | 1211210110120112202001 |
4 | 101331313222301110 |
5 | 304002123124132 |
6 | 12510142125044 |
7 | 1252031005306 |
oct | 217567526124 |
9 | 54713515661 |
10 | 19291614292 |
11 | 81aa682395 |
12 | 38a4880784 |
13 | 1a859c06b2 |
14 | d101a7976 |
15 | 77d98dce7 |
hex | 47ddeac54 |
19291614292 has 12 divisors (see below), whose sum is σ = 34313773396. Its totient is φ = 9487679040.
The previous prime is 19291614239. The next prime is 19291614301. The reversal of 19291614292 is 29241619291.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 282374416 + 19009239876 = 16804^2 + 137874^2 .
It is a super-2 number, since 2×192916142922 (a number of 21 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 3 ways as a sum of consecutive naturals, for example, 39531753 + ... + 39532240.
Almost surely, 219291614292 is an apocalyptic number.
It is an amenable number.
19291614292 is a deficient number, since it is larger than the sum of its proper divisors (15022159104).
19291614292 is a wasteful number, since it uses less digits than its factorization.
19291614292 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79064058 (or 79064056 counting only the distinct ones).
The product of its digits is 139968, while the sum is 46.
The spelling of 19291614292 in words is "nineteen billion, two hundred ninety-one million, six hundred fourteen thousand, two hundred ninety-two".
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