Base | Representation |
---|---|
bin | 1101001110101010000… |
… | …01011111101100100101 |
3 | 1121110021001120010022222 |
4 | 12213111001133230211 |
5 | 24421402122130221 |
6 | 544452035402125 |
7 | 44561030021054 |
oct | 6472501375445 |
9 | 1543231503288 |
10 | 454545505061 |
11 | 1658540a66aa |
12 | 74116453345 |
13 | 33b2c02801b |
14 | 1800048639b |
15 | bc553699ab |
hex | 69d505fb25 |
454545505061 has 8 divisors (see below), whose sum is σ = 455810054040. Its totient is φ = 453281202432.
The previous prime is 454545505049. The next prime is 454545505067. The reversal of 454545505061 is 160505545454.
It can be written as a sum of positive squares in 4 ways, for example, as 71198782561 + 383346722500 = 266831^2 + 619150^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 454545505061 - 26 = 454545504997 is a prime.
It is a super-2 number, since 2×4545455050612 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (454545505067) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4005641 + ... + 4117553.
It is an arithmetic number, because the mean of its divisors is an integer number (56976256755).
Almost surely, 2454545505061 is an apocalyptic number.
It is an amenable number.
454545505061 is a deficient number, since it is larger than the sum of its proper divisors (1264548979).
454545505061 is a wasteful number, since it uses less digits than its factorization.
454545505061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123175.
The product of its (nonzero) digits is 1200000, while the sum is 44.
The spelling of 454545505061 in words is "four hundred fifty-four billion, five hundred forty-five million, five hundred five thousand, sixty-one".
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