Base | Representation |
---|---|
bin | 1111110010110101101… |
… | …0111111010111110000 |
3 | 221221101111110200100121 |
4 | 3330231122333113300 |
5 | 13421203304132210 |
6 | 324353144500024 |
7 | 25414116233242 |
oct | 3745532772760 |
9 | 857344420317 |
10 | 271344989680 |
11 | a5093199996 |
12 | 44708a7a614 |
13 | 1c7842c44bb |
14 | d1c15aa092 |
15 | 70d1bb06da |
hex | 3f2d6bf5f0 |
271344989680 has 80 divisors (see below), whose sum is σ = 646412314464. Its totient is φ = 105866485760.
The previous prime is 271344989651. The next prime is 271344989689. The reversal of 271344989680 is 86989443172.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (271344989689) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22406187 + ... + 22418293.
Almost surely, 2271344989680 is an apocalyptic number.
271344989680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 271344989680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323206157232).
271344989680 is an abundant number, since it is smaller than the sum of its proper divisors (375067324784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
271344989680 is a wasteful number, since it uses less digits than its factorization.
271344989680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18994 (or 18988 counting only the distinct ones).
The product of its (nonzero) digits is 20901888, while the sum is 61.
The spelling of 271344989680 in words is "two hundred seventy-one billion, three hundred forty-four million, nine hundred eighty-nine thousand, six hundred eighty".
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