Base | Representation |
---|---|
bin | 101100101000111001… |
… | …100011000111100111 |
3 | 11120201101021200100120 |
4 | 230220321203013213 |
5 | 1241130242034301 |
6 | 34004043413023 |
7 | 3314525130165 |
oct | 545071430747 |
9 | 146641250316 |
10 | 47930814951 |
11 | 19366771768 |
12 | 9357b24173 |
13 | 469b180a86 |
14 | 24699c6235 |
15 | 13a7db7e36 |
hex | b28e631e7 |
47930814951 has 32 divisors (see below), whose sum is σ = 69885720576. Its totient is φ = 29089152000.
The previous prime is 47930814937. The next prime is 47930814959. The reversal of 47930814951 is 15941803974.
It is not a de Polignac number, because 47930814951 - 210 = 47930813927 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a junction number, because it is equal to n+sod(n) for n = 47930814894 and 47930814903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47930814959) 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 31 ways as a sum of consecutive naturals, for example, 3599616 + ... + 3612906.
It is an arithmetic number, because the mean of its divisors is an integer number (2183928768).
Almost surely, 247930814951 is an apocalyptic number.
47930814951 is a deficient number, since it is larger than the sum of its proper divisors (21954905625).
47930814951 is a wasteful number, since it uses less digits than its factorization.
47930814951 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15623.
The product of its (nonzero) digits is 1088640, while the sum is 51.
The spelling of 47930814951 in words is "forty-seven billion, nine hundred thirty million, eight hundred fourteen thousand, nine hundred fifty-one".
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