Base | Representation |
---|---|
bin | 11001000111000001… |
… | …11100011101000000 |
3 | 1021210111101120200120 |
4 | 30203200330131000 |
5 | 210102032200142 |
6 | 10105403020240 |
7 | 655031255640 |
oct | 144340743500 |
9 | 37714346616 |
10 | 13480740672 |
11 | 5798587aa3 |
12 | 274280a680 |
13 | 136ab72839 |
14 | 91c54a520 |
15 | 53d7637ec |
hex | 32383c740 |
13480740672 has 56 divisors (see below), whose sum is σ = 40763196096. Its totient is φ = 3851639808.
The previous prime is 13480740661. The next prime is 13480740709. The reversal of 13480740672 is 27604708431.
It is a tau number, because it is divible by the number of its divisors (56).
It is a super-3 number, since 3×134807406723 (a number of 31 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
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, 5013813 + ... + 5016500.
It is an arithmetic number, because the mean of its divisors is an integer number (727914216).
Almost surely, 213480740672 is an apocalyptic number.
13480740672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13480740672 is an abundant number, since it is smaller than the sum of its proper divisors (27282455424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13480740672 is a wasteful number, since it uses less digits than its factorization.
13480740672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10030335 (or 10030325 counting only the distinct ones).
The product of its (nonzero) digits is 225792, while the sum is 42.
The spelling of 13480740672 in words is "thirteen billion, four hundred eighty million, seven hundred forty thousand, six hundred seventy-two".
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