Base | Representation |
---|---|
bin | 1101010010100101… |
… | …00101100000011100 |
3 | 200102021010011021000 |
4 | 12221102211200130 |
5 | 104103102022040 |
6 | 3140003510300 |
7 | 341550051231 |
oct | 65122454034 |
9 | 20367104230 |
10 | 7135189020 |
11 | 30316a0133 |
12 | 1471688390 |
13 | 89931a54b |
14 | 4b98ab788 |
15 | 2bb620130 |
hex | 1a94a581c |
7135189020 has 96 divisors (see below), whose sum is σ = 22511139840. Its totient is φ = 1875908160.
The previous prime is 7135188947. The next prime is 7135189021. The reversal of 7135189020 is 209815317.
It is a super-2 number, since 2×71351890202 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7135189021) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54712 + ... + 131391.
It is an arithmetic number, because the mean of its divisors is an integer number (234491040).
Almost surely, 27135189020 is an apocalyptic number.
It is an amenable number.
7135189020 is an abundant number, since it is smaller than the sum of its proper divisors (15375950820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7135189020 is a wasteful number, since it uses less digits than its factorization.
7135189020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186192 (or 186184 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 36.
The square root of 7135189020 is about 84470.0480643879. The cubic root of 7135189020 is about 1925.1673791604.
The spelling of 7135189020 in words is "seven billion, one hundred thirty-five million, one hundred eighty-nine thousand, twenty".
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