Base | Representation |
---|---|
bin | 1101010100001111… |
… | …11111101000111100 |
3 | 200110020110110120102 |
4 | 12222013333220330 |
5 | 104120143032232 |
6 | 3141223540232 |
7 | 342110052431 |
oct | 65207775074 |
9 | 20406413512 |
10 | 7149189692 |
11 | 3039593037 |
12 | 14762ba678 |
13 | 89c1b0078 |
14 | 4bb6b3b88 |
15 | 2bc988662 |
hex | 1aa1ffa3c |
7149189692 has 12 divisors (see below), whose sum is σ = 12516685440. Its totient is φ = 3572993856.
The previous prime is 7149189683. The next prime is 7149189709. The reversal of 7149189692 is 2969819417.
It is a super-2 number, since 2×71491896922 (a number of 21 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390173 + ... + 408084.
It is an arithmetic number, because the mean of its divisors is an integer number (1043057120).
Almost surely, 27149189692 is an apocalyptic number.
It is an amenable number.
7149189692 is a deficient number, since it is larger than the sum of its proper divisors (5367495748).
7149189692 is a wasteful number, since it uses less digits than its factorization.
7149189692 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 800500 (or 800498 counting only the distinct ones).
The product of its digits is 1959552, while the sum is 56.
The square root of 7149189692 is about 84552.8810390279. The cubic root of 7149189692 is about 1926.4257446435.
The spelling of 7149189692 in words is "seven billion, one hundred forty-nine million, one hundred eighty-nine thousand, six hundred ninety-two".
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