Base | Representation |
---|---|
bin | 111001001000111111… |
… | …010001001010001000 |
3 | 12212100212112112222101 |
4 | 321020333101022020 |
5 | 2001123121241143 |
6 | 44104035003144 |
7 | 4301261064232 |
oct | 711077211210 |
9 | 185325475871 |
10 | 61354087048 |
11 | 24024867771 |
12 | ba834394b4 |
13 | 5a2a151927 |
14 | 2d80653252 |
15 | 18e1578b4d |
hex | e48fd1288 |
61354087048 has 16 divisors (see below), whose sum is σ = 121805908380. Its totient is φ = 28872511488.
The previous prime is 61354087021. The next prime is 61354087051. The reversal of 61354087048 is 84078045316.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 60802682724 + 551404324 = 246582^2 + 23482^2 .
It is a super-2 number, since 2×613540870482 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 61354086989 and 61354087007.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225566361 + ... + 225566632.
Almost surely, 261354087048 is an apocalyptic number.
61354087048 is a gapful number since it is divisible by the number (68) formed by its first and last digit.
It is an amenable number.
61354087048 is a deficient number, since it is larger than the sum of its proper divisors (60451821332).
61354087048 is a wasteful number, since it uses less digits than its factorization.
61354087048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 451133016 (or 451133012 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 46.
The spelling of 61354087048 in words is "sixty-one billion, three hundred fifty-four million, eighty-seven thousand, forty-eight".
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