Base | Representation |
---|---|
bin | 101011111010110101… |
… | …000000010100101100 |
3 | 11111201111212002211202 |
4 | 223322311000110230 |
5 | 1233034403400131 |
6 | 33355232505032 |
7 | 3256421204021 |
oct | 537265002454 |
9 | 144644762752 |
10 | 47157871916 |
11 | 18aaa431171 |
12 | 91810ab178 |
13 | 45a6cb242c |
14 | 23d50a1548 |
15 | 13600d7bcb |
hex | afad4052c |
47157871916 has 12 divisors (see below), whose sum is σ = 83377062888. Its totient is φ = 23335853952.
The previous prime is 47157871867. The next prime is 47157871933. The reversal of 47157871916 is 61917875174.
It is a super-2 number, since 2×471578719162 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 60770066 + ... + 60770841.
It is an arithmetic number, because the mean of its divisors is an integer number (6948088574).
Almost surely, 247157871916 is an apocalyptic number.
It is an amenable number.
47157871916 is a deficient number, since it is larger than the sum of its proper divisors (36219190972).
47157871916 is a wasteful number, since it uses less digits than its factorization.
47157871916 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121541008 (or 121541006 counting only the distinct ones).
The product of its digits is 2963520, while the sum is 56.
The spelling of 47157871916 in words is "forty-seven billion, one hundred fifty-seven million, eight hundred seventy-one thousand, nine hundred sixteen".
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