Base | Representation |
---|---|
bin | 1101010011110000… |
… | …11001111101011101 |
3 | 200102221202211221202 |
4 | 12221320121331131 |
5 | 104113121300242 |
6 | 3141000205245 |
7 | 342030242441 |
oct | 65170317535 |
9 | 20387684852 |
10 | 7145103197 |
11 | 3037251871 |
12 | 1474a69825 |
13 | 89b3ac01b |
14 | 4bad2c821 |
15 | 2bc42c932 |
hex | 1a9e19f5d |
7145103197 has 4 divisors (see below), whose sum is σ = 7521161280. Its totient is φ = 6769045116.
The previous prime is 7145103193. The next prime is 7145103209. The reversal of 7145103197 is 7913015417.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 7145103197 - 22 = 7145103193 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 7145103197.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7145103193) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188029013 + ... + 188029050.
It is an arithmetic number, because the mean of its divisors is an integer number (1880290320).
Almost surely, 27145103197 is an apocalyptic number.
It is an amenable number.
7145103197 is a deficient number, since it is larger than the sum of its proper divisors (376058083).
7145103197 is a wasteful number, since it uses less digits than its factorization.
7145103197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 376058082.
The product of its (nonzero) digits is 26460, while the sum is 38.
The square root of 7145103197 is about 84528.7122639402. The cubic root of 7145103197 is about 1926.0586247349.
The spelling of 7145103197 in words is "seven billion, one hundred forty-five million, one hundred three thousand, one hundred ninety-seven".
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