Base | Representation |
---|---|
bin | 1101010011110000… |
… | …00111110111001111 |
3 | 200102221122002021100 |
4 | 12221320013313033 |
5 | 104113111412241 |
6 | 3140554434143 |
7 | 342026513355 |
oct | 65170076717 |
9 | 20387562240 |
10 | 7145029071 |
11 | 3037201104 |
12 | 1474a32953 |
13 | 89b38436b |
14 | 4bad0d7d5 |
15 | 2bc4159b6 |
hex | 1a9e07dcf |
7145029071 has 12 divisors (see below), whose sum is σ = 10324190448. Its totient is φ = 4761694464.
The previous prime is 7145029069. The next prime is 7145029183. The reversal of 7145029071 is 1709205417.
It is a happy number.
It is not a de Polignac number, because 7145029071 - 21 = 7145029069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7145029061) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110610 + ... + 162863.
It is an arithmetic number, because the mean of its divisors is an integer number (860349204).
Almost surely, 27145029071 is an apocalyptic number.
7145029071 is a deficient number, since it is larger than the sum of its proper divisors (3179161377).
7145029071 is a wasteful number, since it uses less digits than its factorization.
7145029071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 276382 (or 276379 counting only the distinct ones).
The product of its (nonzero) digits is 17640, while the sum is 36.
The square root of 7145029071 is about 84528.2737964050. The cubic root of 7145029071 is about 1926.0519641586.
The spelling of 7145029071 in words is "seven billion, one hundred forty-five million, twenty-nine thousand, seventy-one".
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