Base | Representation |
---|---|
bin | 100100011101100010… |
… | …1110000001110000100 |
3 | 21111002220201111220211 |
4 | 1020323011300032010 |
5 | 2240324444302200 |
6 | 55545413205204 |
7 | 5441236415506 |
oct | 1107305601604 |
9 | 244086644824 |
10 | 78300775300 |
11 | 30230823450 |
12 | 13212930804 |
13 | 74cb09a407 |
14 | 3b0b215d76 |
15 | 208421eaba |
hex | 123b170384 |
78300775300 has 72 divisors (see below), whose sum is σ = 185424069600. Its totient is φ = 28463059200.
The previous prime is 78300775297. The next prime is 78300775339. The reversal of 78300775300 is 357700387.
It is a super-2 number, since 2×783007753002 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3618112 + ... + 3639688.
It is an arithmetic number, because the mean of its divisors is an integer number (2575334300).
Almost surely, 278300775300 is an apocalyptic number.
It is an amenable number.
78300775300 is an abundant number, since it is smaller than the sum of its proper divisors (107123294300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78300775300 is a wasteful number, since it uses less digits than its factorization.
78300775300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24901 (or 24894 counting only the distinct ones).
The product of its (nonzero) digits is 123480, while the sum is 40.
The spelling of 78300775300 in words is "seventy-eight billion, three hundred million, seven hundred seventy-five thousand, three hundred".
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