Base | Representation |
---|---|
bin | 1101010011110101… |
… | …10000010111000000 |
3 | 200102222221010222212 |
4 | 12221322300113000 |
5 | 104113301003412 |
6 | 3141021321252 |
7 | 342035416451 |
oct | 65172602700 |
9 | 20388833885 |
10 | 7145719232 |
11 | 3037632693 |
12 | 1475106228 |
13 | 89b566542 |
14 | 4bb04d128 |
15 | 2bc500222 |
hex | 1a9eb05c0 |
7145719232 has 84 divisors (see below), whose sum is σ = 14745907008. Its totient is φ = 3435494400.
The previous prime is 7145719211. The next prime is 7145719247. The reversal of 7145719232 is 2329175417.
It is a happy number.
It is a super-2 number, since 2×71457192322 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 7145719232.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13715132 + ... + 13715652.
It is an arithmetic number, because the mean of its divisors is an integer number (175546512).
Almost surely, 27145719232 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7145719232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7372953504).
7145719232 is an abundant number, since it is smaller than the sum of its proper divisors (7600187776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7145719232 is a wasteful number, since it uses less digits than its factorization.
7145719232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 818 (or 777 counting only the distinct ones).
The product of its digits is 105840, while the sum is 41.
The square root of 7145719232 is about 84532.3561247408. The cubic root of 7145719232 is about 1926.1139766496.
The spelling of 7145719232 in words is "seven billion, one hundred forty-five million, seven hundred nineteen thousand, two hundred thirty-two".
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