Base | Representation |
---|---|
bin | 100001010010011010… |
… | …1011100001101100000 |
3 | 20211111220112200102110 |
4 | 1002210311130031200 |
5 | 2132400121334334 |
6 | 52501214315320 |
7 | 5110315021014 |
oct | 1024465341540 |
9 | 224456480373 |
10 | 71484949344 |
11 | 28353432536 |
12 | 11a301b8b40 |
13 | 6982c9a1c3 |
14 | 3661d1c544 |
15 | 1cd5b85ae9 |
hex | 10a4d5c360 |
71484949344 has 48 divisors (see below), whose sum is σ = 187663150080. Its totient is φ = 23826391680.
The previous prime is 71484949331. The next prime is 71484949399. The reversal of 71484949344 is 44394948417.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×714849493442 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
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, 1652017 + ... + 1694735.
It is an arithmetic number, because the mean of its divisors is an integer number (3909648960).
Almost surely, 271484949344 is an apocalyptic number.
It is an amenable number.
71484949344 is an abundant number, since it is smaller than the sum of its proper divisors (116178200736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71484949344 is a wasteful number, since it uses less digits than its factorization.
71484949344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60163 (or 60155 counting only the distinct ones).
The product of its digits is 13934592, while the sum is 57.
The spelling of 71484949344 in words is "seventy-one billion, four hundred eighty-four million, nine hundred forty-nine thousand, three hundred forty-four".
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