Base | Representation |
---|---|
bin | 100001001110011101… |
… | …0101100110001011100 |
3 | 20211011122120202100010 |
4 | 1002130322230301130 |
5 | 2132112120011142 |
6 | 52440111203220 |
7 | 5104112633550 |
oct | 1023472546134 |
9 | 224148522303 |
10 | 71352110172 |
11 | 282954514a2 |
12 | 119b3816510 |
13 | 69615c9345 |
14 | 364c41d860 |
15 | 1cc9195e9c |
hex | 109ceacc5c |
71352110172 has 48 divisors (see below), whose sum is σ = 192680821760. Its totient is φ = 20128260672.
The previous prime is 71352110171. The next prime is 71352110189. The reversal of 71352110172 is 27101125317.
It is a super-2 number, since 2×713521101722 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71352110171) 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, 5369503 + ... + 5382774.
Almost surely, 271352110172 is an apocalyptic number.
It is an amenable number.
71352110172 is an abundant number, since it is smaller than the sum of its proper divisors (121328711588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71352110172 is a wasteful number, since it uses less digits than its factorization.
71352110172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10752370 (or 10752368 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 30.
Adding to 71352110172 its reverse (27101125317), we get a palindrome (98453235489).
The spelling of 71352110172 in words is "seventy-one billion, three hundred fifty-two million, one hundred ten thousand, one hundred seventy-two".
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