Base | Representation |
---|---|
bin | 111111000111110101… |
… | …100111000100000101 |
3 | 20110221111210222101000 |
4 | 333013311213010011 |
5 | 2102301432312221 |
6 | 51045245123513 |
7 | 4616403640623 |
oct | 770765470405 |
9 | 213844728330 |
10 | 67777229061 |
11 | 2682052a3a3 |
12 | 11176559599 |
13 | 6511aa2589 |
14 | 33cd72c513 |
15 | 1b6a3e6e26 |
hex | fc7d67105 |
67777229061 has 16 divisors (see below), whose sum is σ = 100419491520. Its totient is φ = 45180867600.
The previous prime is 67777228997. The next prime is 67777229083. The reversal of 67777229061 is 16092277776.
It is not a de Polignac number, because 67777229061 - 26 = 67777228997 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 67777228989 and 67777229007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67777229561) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223006 + ... + 430448.
It is an arithmetic number, because the mean of its divisors is an integer number (6276218220).
Almost surely, 267777229061 is an apocalyptic number.
It is an amenable number.
67777229061 is a deficient number, since it is larger than the sum of its proper divisors (32642262459).
67777229061 is a wasteful number, since it uses less digits than its factorization.
67777229061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 219553 (or 219547 counting only the distinct ones).
The product of its (nonzero) digits is 3111696, while the sum is 54.
The spelling of 67777229061 in words is "sixty-seven billion, seven hundred seventy-seven million, two hundred twenty-nine thousand, sixty-one".
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