Base | Representation |
---|---|
bin | 100001001110011010… |
… | …1101101100101010111 |
3 | 20211011120010022221000 |
4 | 1002130311231211113 |
5 | 2132111301142100 |
6 | 52440023154343 |
7 | 5104065550110 |
oct | 1023465554527 |
9 | 224146108830 |
10 | 71350802775 |
11 | 282947391aa |
12 | 119b32a59b3 |
13 | 696125c235 |
14 | 364c19d207 |
15 | 1cc8ed8900 |
hex | 109cd6d957 |
71350802775 has 96 divisors (see below), whose sum is σ = 153847930880. Its totient is φ = 31735877760.
The previous prime is 71350802753. The next prime is 71350802777. The reversal of 71350802775 is 57720805317.
71350802775 is a `hidden beast` number, since 71 + 3 + 508 + 0 + 2 + 7 + 75 = 666.
It is not a de Polignac number, because 71350802775 - 210 = 71350801751 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 71350802775.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71350802777) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29239 + ... + 378888.
Almost surely, 271350802775 is an apocalyptic number.
71350802775 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
71350802775 is an abundant number, since it is smaller than the sum of its proper divisors (82497128105).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71350802775 is a wasteful number, since it uses less digits than its factorization.
71350802775 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 408190 (or 408179 counting only the distinct ones).
The product of its (nonzero) digits is 411600, while the sum is 45.
The spelling of 71350802775 in words is "seventy-one billion, three hundred fifty million, eight hundred two thousand, seven hundred seventy-five".
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