Base | Representation |
---|---|
bin | 110100010010101100… |
… | …011010110110010111 |
3 | 12100221001202112220001 |
4 | 310102230122312113 |
5 | 1404442420142142 |
6 | 41443310552131 |
7 | 4025255621320 |
oct | 642254326627 |
9 | 170831675801 |
10 | 56148209047 |
11 | 218a3222557 |
12 | aa6bb08647 |
13 | 53aa75b448 |
14 | 2a090bd447 |
15 | 16d95065b7 |
hex | d12b1ad97 |
56148209047 has 6 divisors (see below), whose sum is σ = 64170098264. Its totient is φ = 48126498960.
The previous prime is 56148209021. The next prime is 56148209053. The reversal of 56148209047 is 74090284165.
It is not a de Polignac number, because 56148209047 - 231 = 54000725399 is a prime.
It is a super-2 number, since 2×561482090472 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 56148208988 and 56148209006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56148206047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 582147 + ... + 671707.
Almost surely, 256148209047 is an apocalyptic number.
56148209047 is a deficient number, since it is larger than the sum of its proper divisors (8021889217).
56148209047 is an frugal number, since it uses more digits than its factorization.
56148209047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 179129 (or 89568 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 46.
The spelling of 56148209047 in words is "fifty-six billion, one hundred forty-eight million, two hundred nine thousand, forty-seven".
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