Base | Representation |
---|---|
bin | 1101010011110011… |
… | …00101100011100110 |
3 | 200102222100120200221 |
4 | 12221321211203212 |
5 | 104113211202323 |
6 | 3141010554554 |
7 | 342033002254 |
oct | 65171454346 |
9 | 20388316627 |
10 | 7145412838 |
11 | 3037443473 |
12 | 1474b98a5a |
13 | 89b489c45 |
14 | 4badad5d4 |
15 | 2bc48e55d |
hex | 1a9e658e6 |
7145412838 has 8 divisors (see below), whose sum is σ = 10718539488. Its totient is φ = 3572566344.
The previous prime is 7145412763. The next prime is 7145412853. The reversal of 7145412838 is 8382145417.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 7145412794 and 7145412803.
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, 13795 + ... + 120337.
It is an arithmetic number, because the mean of its divisors is an integer number (1339817436).
Almost surely, 27145412838 is an apocalyptic number.
7145412838 is a deficient number, since it is larger than the sum of its proper divisors (3573126650).
7145412838 is a wasteful number, since it uses less digits than its factorization.
7145412838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140078.
The product of its digits is 215040, while the sum is 43.
The square root of 7145412838 is about 84530.5438170133. The cubic root of 7145412838 is about 1926.0864469645.
The spelling of 7145412838 in words is "seven billion, one hundred forty-five million, four hundred twelve thousand, eight hundred thirty-eight".
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