Base | Representation |
---|---|
bin | 10010000101111100… |
… | …100000011100001101 |
3 | 1212010220111221210010 |
4 | 102011330200130031 |
5 | 304241314203204 |
6 | 12531422103433 |
7 | 1255264425522 |
oct | 220574403415 |
9 | 55126457703 |
10 | 19427100429 |
11 | 826a101100 |
12 | 392211ab79 |
13 | 1aa7aaa2c9 |
14 | d24195149 |
15 | 78a802d89 |
hex | 485f2070d |
19427100429 has 48 divisors (see below), whose sum is σ = 29682842112. Its totient is φ = 11280720000.
The previous prime is 19427100409. The next prime is 19427100559. The reversal of 19427100429 is 92400172491.
It is not a de Polignac number, because 19427100429 - 212 = 19427096333 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19427100409) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1128007 + ... + 1145099.
It is an arithmetic number, because the mean of its divisors is an integer number (618392544).
Almost surely, 219427100429 is an apocalyptic number.
It is an amenable number.
19427100429 is a deficient number, since it is larger than the sum of its proper divisors (10255741683).
19427100429 is a wasteful number, since it uses less digits than its factorization.
19427100429 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17250 (or 17239 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 39.
The spelling of 19427100429 in words is "nineteen billion, four hundred twenty-seven million, one hundred thousand, four hundred twenty-nine".
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