Base | Representation |
---|---|
bin | 10011111000100101111011… |
… | …101001111111101010001100 |
3 | 102110122022122112101112121212 |
4 | 103320211323221333222030 |
5 | 42430302444323020301 |
6 | 505554503331113552 |
7 | 24264122461456610 |
oct | 2370457351775214 |
9 | 373568575345555 |
10 | 87451903720076 |
11 | 25957164868a05 |
12 | 99849217428b8 |
13 | 39a48aa0a277c |
14 | 17849a2475340 |
15 | a19c585bb4bb |
hex | 4f897ba7fa8c |
87451903720076 has 12 divisors (see below), whose sum is σ = 174903807440208. Its totient is φ = 37479387308592.
The previous prime is 87451903720033. The next prime is 87451903720141. The reversal of 87451903720076 is 67002730915478.
It is a happy number.
87451903720076 is an admirable number.
It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 87451903719997 and 87451903720024.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1561641137831 + ... + 1561641137886.
It is an arithmetic number, because the mean of its divisors is an integer number (14575317286684).
It is a 1-persistent number, because it is pandigital, but 2⋅87451903720076 = 174903807440152 is not.
Almost surely, 287451903720076 is an apocalyptic number.
It is an amenable number.
87451903720076 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87451903720076 is a wasteful number, since it uses less digits than its factorization.
87451903720076 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3123282275728 (or 3123282275726 counting only the distinct ones).
The product of its (nonzero) digits is 17781120, while the sum is 59.
The spelling of 87451903720076 in words is "eighty-seven trillion, four hundred fifty-one billion, nine hundred three million, seven hundred twenty thousand, seventy-six".
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