Base | Representation |
---|---|
bin | 100010110010101011… |
… | …1101001111110100101 |
3 | 21010212000201120121022 |
4 | 1011211113221332211 |
5 | 2211004034102401 |
6 | 54153524500525 |
7 | 5253340150313 |
oct | 1054527517645 |
9 | 233760646538 |
10 | 74715144101 |
11 | 29760829684 |
12 | 12591b4a745 |
13 | 707927b550 |
14 | 388ad270b3 |
15 | 1e2454a71b |
hex | 11655e9fa5 |
74715144101 has 4 divisors (see below), whose sum is σ = 80462462892. Its totient is φ = 68967825312.
The previous prime is 74715144061. The next prime is 74715144157. The reversal of 74715144101 is 10144151747.
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 15799233025 + 58915911076 = 125695^2 + 242726^2 .
It is a cyclic number.
It is not a de Polignac number, because 74715144101 - 26 = 74715144037 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 (74715144181) 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, 2873659376 + ... + 2873659401.
It is an arithmetic number, because the mean of its divisors is an integer number (20115615723).
Almost surely, 274715144101 is an apocalyptic number.
It is an amenable number.
74715144101 is a deficient number, since it is larger than the sum of its proper divisors (5747318791).
74715144101 is a wasteful number, since it uses less digits than its factorization.
74715144101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5747318790.
The product of its (nonzero) digits is 15680, while the sum is 35.
Adding to 74715144101 its reverse (10144151747), we get a palindrome (84859295848).
The spelling of 74715144101 in words is "seventy-four billion, seven hundred fifteen million, one hundred forty-four thousand, one hundred one".
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