Base | Representation |
---|---|
bin | 100001000111111111… |
… | …0111010101111011000 |
3 | 20210121112021010000102 |
4 | 1002033332322233120 |
5 | 2131141042042102 |
6 | 52402400154532 |
7 | 5065536322346 |
oct | 1021776725730 |
9 | 223545233012 |
10 | 71135112152 |
11 | 28193a09695 |
12 | 11953008a48 |
13 | 6928670150 |
14 | 362b694996 |
15 | 1cb50d0402 |
hex | 108ffbabd8 |
71135112152 has 32 divisors (see below), whose sum is σ = 145368805680. Its totient is φ = 32436024960.
The previous prime is 71135112133. The next prime is 71135112161. The reversal of 71135112152 is 25121153117.
It is a super-2 number, since 2×711351121522 (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, 4111799 + ... + 4129062.
Almost surely, 271135112152 is an apocalyptic number.
It is an amenable number.
71135112152 is an abundant number, since it is smaller than the sum of its proper divisors (74233693528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71135112152 is a wasteful number, since it uses less digits than its factorization.
71135112152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8240963 (or 8240959 counting only the distinct ones).
The product of its digits is 2100, while the sum is 29.
Adding to 71135112152 its reverse (25121153117), we get a palindrome (96256265269).
The spelling of 71135112152 in words is "seventy-one billion, one hundred thirty-five million, one hundred twelve thousand, one hundred fifty-two".
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