Base | Representation |
---|---|
bin | 100100011110100101… |
… | …1100100111011001010 |
3 | 21111012100201211001020 |
4 | 1020331023210323022 |
5 | 2240412434400310 |
6 | 55553105133310 |
7 | 5442143535534 |
oct | 1107513447312 |
9 | 244170654036 |
10 | 78335856330 |
11 | 30249604336 |
12 | 1322262a236 |
13 | 7505431014 |
14 | 3b11b48854 |
15 | 208734e170 |
hex | 123d2e4eca |
78335856330 has 64 divisors (see below), whose sum is σ = 188695433088. Its totient is φ = 20813112320.
The previous prime is 78335856307. The next prime is 78335856353. The reversal of 78335856330 is 3365853387.
It is an interprime number because it is at equal distance from previous prime (78335856307) and next prime (78335856353).
It is a super-2 number, since 2×783358563302 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9639649 + ... + 9647771.
It is an arithmetic number, because the mean of its divisors is an integer number (2948366142).
Almost surely, 278335856330 is an apocalyptic number.
78335856330 is an abundant number, since it is smaller than the sum of its proper divisors (110359576758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78335856330 is a wasteful number, since it uses less digits than its factorization.
78335856330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9271.
The product of its (nonzero) digits is 5443200, while the sum is 51.
The spelling of 78335856330 in words is "seventy-eight billion, three hundred thirty-five million, eight hundred fifty-six thousand, three hundred thirty".
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