Base | Representation |
---|---|
bin | 100100101110000100… |
… | …0000000111110101010 |
3 | 21112112112121212201120 |
4 | 1021130020000332222 |
5 | 2242443341010422 |
6 | 100120412400110 |
7 | 5461046402613 |
oct | 1113410007652 |
9 | 245475555646 |
10 | 78855016362 |
11 | 30495667a11 |
12 | 13348476036 |
13 | 7588b640c5 |
14 | 3b60a8ac0a |
15 | 20b7bee45c |
hex | 125c200faa |
78855016362 has 32 divisors (see below), whose sum is σ = 161595895104. Its totient is φ = 25637673600.
The previous prime is 78855016313. The next prime is 78855016367. The reversal of 78855016362 is 26361055887.
It is a happy number.
It is a super-2 number, since 2×788550163622 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (78855016367) 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, 1035037 + ... + 1108607.
It is an arithmetic number, because the mean of its divisors is an integer number (5049871722).
Almost surely, 278855016362 is an apocalyptic number.
78855016362 is an abundant number, since it is smaller than the sum of its proper divisors (82740878742).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78855016362 is a wasteful number, since it uses less digits than its factorization.
78855016362 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77974.
The product of its (nonzero) digits is 2419200, while the sum is 51.
The spelling of 78855016362 in words is "seventy-eight billion, eight hundred fifty-five million, sixteen thousand, three hundred sixty-two".
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