Base | Representation |
---|---|
bin | 101100010010100111… |
… | …101110111111100000 |
3 | 11112202022222021001222 |
4 | 230102213232333200 |
5 | 1234344100434430 |
6 | 33503012314212 |
7 | 3302336136404 |
oct | 542247567740 |
9 | 145668867058 |
10 | 47557046240 |
11 | 19194792800 |
12 | 9272912968 |
13 | 463b8c4c62 |
14 | 24320cd104 |
15 | 13851869e5 |
hex | b129eefe0 |
47557046240 has 72 divisors (see below), whose sum is σ = 123496070040. Its totient is φ = 17293464320.
The previous prime is 47557046191. The next prime is 47557046267. The reversal of 47557046240 is 4264075574.
It is a happy number.
It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a junction number, because it is equal to n+sod(n) for n = 47557046191 and 47557046200.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1208870 + ... + 1247589.
It is an arithmetic number, because the mean of its divisors is an integer number (1715223195).
Almost surely, 247557046240 is an apocalyptic number.
47557046240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
47557046240 is an abundant number, since it is smaller than the sum of its proper divisors (75939023800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47557046240 is a wasteful number, since it uses less digits than its factorization.
47557046240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2456496 (or 2456477 counting only the distinct ones).
The product of its (nonzero) digits is 940800, while the sum is 44.
The spelling of 47557046240 in words is "forty-seven billion, five hundred fifty-seven million, forty-six thousand, two hundred forty".
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