Base | Representation |
---|---|
bin | 110011011011100000000… |
… | …1100011010111110100010 |
3 | 221000201220010120222000110 |
4 | 1212313000030122332202 |
5 | 1411302134043333433 |
6 | 23011111002032150 |
7 | 1326451446656214 |
oct | 146670014327642 |
9 | 27021803528013 |
10 | 7068445683618 |
11 | 2285790350520 |
12 | 961ab41a8656 |
13 | 3c3722a43a37 |
14 | 1a618664a5b4 |
15 | c3cee636963 |
hex | 66dc031afa2 |
7068445683618 has 32 divisors (see below), whose sum is σ = 15422692273920. Its totient is φ = 2141865881360.
The previous prime is 7068445683613. The next prime is 7068445683667. The reversal of 7068445683618 is 8163865448607.
It is a Harshad number since it is a multiple of its sum of digits (66).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (7068445683613) 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, 544080 + ... + 3799067.
It is an arithmetic number, because the mean of its divisors is an integer number (481959133560).
Almost surely, 27068445683618 is an apocalyptic number.
7068445683618 is an abundant number, since it is smaller than the sum of its proper divisors (8354246590302).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7068445683618 is a wasteful number, since it uses less digits than its factorization.
7068445683618 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4367822.
The product of its (nonzero) digits is 185794560, while the sum is 66.
The spelling of 7068445683618 in words is "seven trillion, sixty-eight billion, four hundred forty-five million, six hundred eighty-three thousand, six hundred eighteen".
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