Base | Representation |
---|---|
bin | 100001001111111001… |
… | …0001100000001111000 |
3 | 20211022000002111122200 |
4 | 1002133302030001320 |
5 | 2132211423214202 |
6 | 52444550150200 |
7 | 5105235530106 |
oct | 1023762140170 |
9 | 224260074580 |
10 | 71400210552 |
11 | 2830a614a80 |
12 | 11a07952360 |
13 | 696b56abc8 |
14 | 3654980c76 |
15 | 1ccd4e7e1c |
hex | 109fc8c078 |
71400210552 has 192 divisors, whose sum is σ = 219514613760. Its totient is φ = 20775955200.
The previous prime is 71400210493. The next prime is 71400210617. The reversal of 71400210552 is 25501200417.
71400210552 is a `hidden beast` number, since 71 + 40 + 0 + 2 + 1 + 0 + 552 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1954777 + ... + 1990967.
It is an arithmetic number, because the mean of its divisors is an integer number (1143305280).
Almost surely, 271400210552 is an apocalyptic number.
71400210552 is a gapful number since it is divisible by the number (72) 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 71400210552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109757306880).
71400210552 is an abundant number, since it is smaller than the sum of its proper divisors (148114403208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71400210552 is a wasteful number, since it uses less digits than its factorization.
71400210552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36314 (or 36307 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 27.
Adding to 71400210552 its reverse (25501200417), we get a palindrome (96901410969).
The spelling of 71400210552 in words is "seventy-one billion, four hundred million, two hundred ten thousand, five hundred fifty-two".
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