Base | Representation |
---|---|
bin | 110010011110011100… |
… | …110111111111101100 |
3 | 12011220011001111120000 |
4 | 302132130313333230 |
5 | 1341444140231233 |
6 | 40522002424300 |
7 | 3626035126644 |
oct | 623634677754 |
9 | 164804044500 |
10 | 54197977068 |
11 | 20a92388394 |
12 | a606962090 |
13 | 51596baa21 |
14 | 28a209b524 |
15 | 16231c4d13 |
hex | c9e737fec |
54197977068 has 60 divisors (see below), whose sum is σ = 141781782912. Its totient is φ = 18053552160.
The previous prime is 54197977051. The next prime is 54197977123. The reversal of 54197977068 is 86077979145.
54197977068 is a `hidden beast` number, since 5 + 419 + 7 + 97 + 70 + 68 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 54197976996 and 54197977014.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 419746 + ... + 533462.
Almost surely, 254197977068 is an apocalyptic number.
It is an amenable number.
54197977068 is an abundant number, since it is smaller than the sum of its proper divisors (87583805844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54197977068 is a wasteful number, since it uses less digits than its factorization.
54197977068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115204 (or 115193 counting only the distinct ones).
The product of its (nonzero) digits is 26671680, while the sum is 63.
It can be divided in two parts, 5419797 and 7068, that added together give a triangular number (5426865 = T3294).
The spelling of 54197977068 in words is "fifty-four billion, one hundred ninety-seven million, nine hundred seventy-seven thousand, sixty-eight".
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