Base | Representation |
---|---|
bin | 101100000000011001… |
… | …111010010010110111 |
3 | 11111222000220111000102 |
4 | 230000121322102313 |
5 | 1233232331321011 |
6 | 33412414104315 |
7 | 3261635356544 |
oct | 540031722267 |
9 | 144860814012 |
10 | 47251432631 |
11 | 19048224777 |
12 | 91a84ab09b |
13 | 45c04accc0 |
14 | 2403697bcb |
15 | 136841973b |
hex | b0067a4b7 |
47251432631 has 8 divisors (see below), whose sum is σ = 50896673184. Its totient is φ = 43607694240.
The previous prime is 47251432573. The next prime is 47251432643. The reversal of 47251432631 is 13623415274.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-47251432631 is a prime.
It is a super-2 number, since 2×472514326312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47251432651) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309776 + ... + 436421.
It is an arithmetic number, because the mean of its divisors is an integer number (6362084148).
Almost surely, 247251432631 is an apocalyptic number.
47251432631 is a deficient number, since it is larger than the sum of its proper divisors (3645240553).
47251432631 is a wasteful number, since it uses less digits than its factorization.
47251432631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 751081.
The product of its digits is 120960, while the sum is 38.
The spelling of 47251432631 in words is "forty-seven billion, two hundred fifty-one million, four hundred thirty-two thousand, six hundred thirty-one".
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