Base | Representation |
---|---|
bin | 1000011010101… |
… | …11100010010111 |
3 | 11220212112000121 |
4 | 10031113202113 |
5 | 121034110033 |
6 | 11001252411 |
7 | 1515126136 |
oct | 415274227 |
9 | 156775017 |
10 | 70613143 |
11 | 3694a777 |
12 | 1b794107 |
13 | 11824933 |
14 | 954191d |
15 | 62ec62d |
hex | 4357897 |
70613143 has 8 divisors (see below), whose sum is σ = 71836160. Its totient is φ = 69400800.
The previous prime is 70613141. The next prime is 70613161. The reversal of 70613143 is 34131607.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70613143 - 21 = 70613141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70613141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11293 + ... + 16393.
It is an arithmetic number, because the mean of its divisors is an integer number (8979520).
Almost surely, 270613143 is an apocalyptic number.
70613143 is a deficient number, since it is larger than the sum of its proper divisors (1223017).
70613143 is a wasteful number, since it uses less digits than its factorization.
70613143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5337.
The product of its (nonzero) digits is 1512, while the sum is 25.
The square root of 70613143 is about 8403.1626784205. The cubic root of 70613143 is about 413.3283371029.
It can be divided in two parts, 70613 and 143, that added together give a square (70756 = 2662).
The spelling of 70613143 in words is "seventy million, six hundred thirteen thousand, one hundred forty-three".
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