Base | Representation |
---|---|
bin | 10101011101111010001010… |
… | …01111110011110001001111 |
3 | 20012010221220021010021101100 |
4 | 22232331011033303301033 |
5 | 22141420214203304242 |
6 | 244222355235514143 |
7 | 12641414055355560 |
oct | 1256750517636117 |
9 | 205127807107340 |
10 | 47207147322447 |
11 | 14050490a80772 |
12 | 536508a158953 |
13 | 20457cbbba428 |
14 | b92ba3b3c167 |
15 | 56ce760aa54c |
hex | 2aef453f3c4f |
47207147322447 has 12 divisors (see below), whose sum is σ = 77929259072080. Its totient is φ = 26975512755648.
The previous prime is 47207147322389. The next prime is 47207147322449. The reversal of 47207147322447 is 74422374170274.
47207147322447 is a `hidden beast` number, since 4 + 7 + 20 + 7 + 147 + 32 + 2 + 447 = 666.
It is not a de Polignac number, because 47207147322447 - 223 = 47207138933839 is a prime.
It is a super-2 number, since 2×472071473224472 (a number of 28 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 = 47207147322393 and 47207147322402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47207147322449) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 374659899322 + ... + 374659899447.
Almost surely, 247207147322447 is an apocalyptic number.
47207147322447 is a deficient number, since it is larger than the sum of its proper divisors (30722111749633).
47207147322447 is a wasteful number, since it uses less digits than its factorization.
47207147322447 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 749319798782 (or 749319798779 counting only the distinct ones).
The product of its (nonzero) digits is 14751744, while the sum is 54.
The spelling of 47207147322447 in words is "forty-seven trillion, two hundred seven billion, one hundred forty-seven million, three hundred twenty-two thousand, four hundred forty-seven".
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