Base | Representation |
---|---|
bin | 101000111010111110… |
… | …1110000010111001110 |
3 | 22101211101211202210201 |
4 | 1101311331300113032 |
5 | 2414433342002240 |
6 | 104212032324114 |
7 | 6230465443120 |
oct | 1216575602716 |
9 | 271741752721 |
10 | 87878469070 |
11 | 342a6117547 |
12 | 150463a363a |
13 | 8396436232 |
14 | 4379249210 |
15 | 2444eaed9a |
hex | 1475f705ce |
87878469070 has 64 divisors (see below), whose sum is σ = 191459707776. Its totient is φ = 28350443520.
The previous prime is 87878468983. The next prime is 87878469097. The reversal of 87878469070 is 7096487878.
It is a junction number, because it is equal to n+sod(n) for n = 87878468993 and 87878469011.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7292250 + ... + 7304290.
It is an arithmetic number, because the mean of its divisors is an integer number (2991557934).
Almost surely, 287878469070 is an apocalyptic number.
87878469070 is an abundant number, since it is smaller than the sum of its proper divisors (103581238706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87878469070 is a wasteful number, since it uses less digits than its factorization.
87878469070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18205.
The product of its (nonzero) digits is 37933056, while the sum is 64.
The spelling of 87878469070 in words is "eighty-seven billion, eight hundred seventy-eight million, four hundred sixty-nine thousand, seventy".
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