Base | Representation |
---|---|
bin | 10100101100001001010101… |
… | …01100010111000110100001 |
3 | 12222002111111101211110112011 |
4 | 22112010222230113012201 |
5 | 21430411440014313221 |
6 | 240433101233232521 |
7 | 12404033425143652 |
oct | 1226045254270641 |
9 | 188074441743464 |
10 | 45497304838561 |
11 | 13551331518384 |
12 | 5129823402741 |
13 | 1c504ba2c84c4 |
14 | b3411d151529 |
15 | 53d7516451e1 |
hex | 29612ab171a1 |
45497304838561 has 3 divisors (see below), whose sum is σ = 45497311583731. Its totient is φ = 45497298093392.
The previous prime is 45497304838553. The next prime is 45497304838591. The reversal of 45497304838561 is 16583840379454.
The square root of 45497304838561 is 6745169.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in only one way, i.e., 31754566144161 + 13742738694400 = 5635119^2 + 3707120^2 .
It is not a de Polignac number, because 45497304838561 - 23 = 45497304838553 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (45497304838501) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3372585 + ... + 10117753.
Almost surely, 245497304838561 is an apocalyptic number.
45497304838561 is the 6745169-th square number.
45497304838561 is the 3372585-th centered octagonal number.
It is an amenable number.
45497304838561 is a deficient number, since it is larger than the sum of its proper divisors (6745170).
45497304838561 is an frugal number, since it uses more digits than its factorization.
45497304838561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13490338 (or 6745169 counting only the distinct ones).
The product of its (nonzero) digits is 348364800, while the sum is 67.
The spelling of 45497304838561 in words is "forty-five trillion, four hundred ninety-seven billion, three hundred four million, eight hundred thirty-eight thousand, five hundred sixty-one".
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