Base | Representation |
---|---|
bin | 11011001001011111… |
… | …110110110111011101 |
3 | 2210020112120111111221 |
4 | 123021133312313131 |
5 | 434144444003024 |
6 | 21220321413341 |
7 | 2051242050112 |
oct | 331137666735 |
9 | 83215514457 |
10 | 29150375389 |
11 | 113a9699533 |
12 | 579649a251 |
13 | 2997358945 |
14 | 15a7682909 |
15 | b5924d3e4 |
hex | 6c97f6ddd |
29150375389 has 4 divisors (see below), whose sum is σ = 29164385340. Its totient is φ = 29136365440.
The previous prime is 29150375341. The next prime is 29150375413. The reversal of 29150375389 is 98357305192.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 9417149764 + 19733225625 = 97042^2 + 140475^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-29150375389 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29150375489) 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, 7001854 + ... + 7006015.
It is an arithmetic number, because the mean of its divisors is an integer number (7291096335).
Almost surely, 229150375389 is an apocalyptic number.
It is an amenable number.
29150375389 is a deficient number, since it is larger than the sum of its proper divisors (14009951).
29150375389 is a wasteful number, since it uses less digits than its factorization.
29150375389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14009950.
The product of its (nonzero) digits is 2041200, while the sum is 52.
The spelling of 29150375389 in words is "twenty-nine billion, one hundred fifty million, three hundred seventy-five thousand, three hundred eighty-nine".
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