Base | Representation |
---|---|
bin | 10011110010101000011011… |
… | …010010010001011001011100 |
3 | 102102012011022002212020002222 |
4 | 103302220123102101121130 |
5 | 42402100024314323140 |
6 | 505042355311404512 |
7 | 24222411316661540 |
oct | 2362503322213134 |
9 | 372164262766088 |
10 | 87042264995420 |
11 | 25809465448069 |
12 | 991945a523738 |
13 | 397508687a377 |
14 | 176cc22113a20 |
15 | a0e2808c95b5 |
hex | 4f2a1b49165c |
87042264995420 has 48 divisors (see below), whose sum is σ = 209130746323968. Its totient is φ = 29810303664960.
The previous prime is 87042264995393. The next prime is 87042264995447. The reversal of 87042264995420 is 2459946224078.
It is an interprime number because it is at equal distance from previous prime (87042264995393) and next prime (87042264995447).
It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341107622 + ... + 341362701.
It is an arithmetic number, because the mean of its divisors is an integer number (4356890548416).
Almost surely, 287042264995420 is an apocalyptic number.
It is an amenable number.
87042264995420 is an abundant number, since it is smaller than the sum of its proper divisors (122088481328548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87042264995420 is a wasteful number, since it uses less digits than its factorization.
87042264995420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 682471250 (or 682471248 counting only the distinct ones).
The product of its (nonzero) digits is 69672960, while the sum is 62.
The spelling of 87042264995420 in words is "eighty-seven trillion, forty-two billion, two hundred sixty-four million, nine hundred ninety-five thousand, four hundred twenty".
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