Base | Representation |
---|---|
bin | 101100010110111100… |
… | …100111010010100101 |
3 | 11112221101112211022211 |
4 | 230112330213102211 |
5 | 1240021141103311 |
6 | 33514124123421 |
7 | 3304210106623 |
oct | 542674472245 |
9 | 145841484284 |
10 | 47629628581 |
11 | 19221757a07 |
12 | 9293096571 |
13 | 4650958ca2 |
14 | 243b9c4513 |
15 | 138b722821 |
hex | b16f274a5 |
47629628581 has 8 divisors (see below), whose sum is σ = 48468407328. Its totient is φ = 46798050000.
The previous prime is 47629628573. The next prime is 47629628597. The reversal of 47629628581 is 18582692674.
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 47629628581 - 23 = 47629628573 is a prime.
It is a super-3 number, since 3×476296285813 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47629628551) 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 7 ways as a sum of consecutive naturals, for example, 1786695 + ... + 1813156.
It is an arithmetic number, because the mean of its divisors is an integer number (6058550916).
Almost surely, 247629628581 is an apocalyptic number.
It is an amenable number.
47629628581 is a deficient number, since it is larger than the sum of its proper divisors (838778747).
47629628581 is a wasteful number, since it uses less digits than its factorization.
47629628581 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3600083.
The product of its digits is 11612160, while the sum is 58.
The spelling of 47629628581 in words is "forty-seven billion, six hundred twenty-nine million, six hundred twenty-eight thousand, five hundred eighty-one".
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