Base | Representation |
---|---|
bin | 110010111000011100… |
… | …010101100011111101 |
3 | 12020000112120222102222 |
4 | 302320130111203331 |
5 | 1343342303344040 |
6 | 41033141055125 |
7 | 3642611465036 |
oct | 627034254375 |
9 | 166015528388 |
10 | 54634043645 |
11 | 21196547695 |
12 | a7089b74a5 |
13 | 51c8b4969c |
14 | 2903d6da8d |
15 | 164b60ebb5 |
hex | cb87158fd |
54634043645 has 8 divisors (see below), whose sum is σ = 65923068120. Its totient is φ = 43465757760.
The previous prime is 54634043621. The next prime is 54634043647.
54634043645 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 4 ways, for example, as 5041426009 + 49592617636 = 71003^2 + 222694^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54634043645 - 212 = 54634039549 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 54634043596 and 54634043605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54634043647) 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, 30183650 + ... + 30185459.
It is an arithmetic number, because the mean of its divisors is an integer number (8240383515).
Almost surely, 254634043645 is an apocalyptic number.
It is an amenable number.
54634043645 is a deficient number, since it is larger than the sum of its proper divisors (11289024475).
54634043645 is a wasteful number, since it uses less digits than its factorization.
54634043645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60369295.
The product of its (nonzero) digits is 2073600, while the sum is 44.
It can be divided in two parts, 546340 and 43645, that added together give a palindrome (589985).
The spelling of 54634043645 in words is "fifty-four billion, six hundred thirty-four million, forty-three thousand, six hundred forty-five".
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