Base | Representation |
---|---|
bin | 101100100110011000… |
… | …011101100110000100 |
3 | 11120121102211021200120 |
4 | 230212120131212010 |
5 | 1241033434242030 |
6 | 33555534341540 |
7 | 3313503163062 |
oct | 544630354604 |
9 | 146542737616 |
10 | 47888587140 |
11 | 1934494a349 |
12 | 934595a8b0 |
13 | 46924b71c4 |
14 | 2464153032 |
15 | 13a4326010 |
hex | b2661d984 |
47888587140 has 24 divisors (see below), whose sum is σ = 134088044160. Its totient is φ = 12770289888.
The previous prime is 47888587129. The next prime is 47888587163. The reversal of 47888587140 is 4178588874.
It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 798143119 = 47888587140 / (4 + 7 + 8 + 8 + 8 + 5 + 8 + 7 + 1 + 4 + 0).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399071500 + ... + 399071619.
It is an arithmetic number, because the mean of its divisors is an integer number (5587001840).
Almost surely, 247888587140 is an apocalyptic number.
It is an amenable number.
47888587140 is an abundant number, since it is smaller than the sum of its proper divisors (86199457020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47888587140 is a wasteful number, since it uses less digits than its factorization.
47888587140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 798143131 (or 798143129 counting only the distinct ones).
The product of its (nonzero) digits is 16056320, while the sum is 60.
The spelling of 47888587140 in words is "forty-seven billion, eight hundred eighty-eight million, five hundred eighty-seven thousand, one hundred forty".
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