Base | Representation |
---|---|
bin | 101000110011010000… |
… | …1011000011110101101 |
3 | 22101011100022022202222 |
4 | 1101212201120132231 |
5 | 2413421024413343 |
6 | 104130215125125 |
7 | 6221201244656 |
oct | 1214641303655 |
9 | 271140268688 |
10 | 87619372973 |
11 | 34182940840 |
12 | 14b936737a5 |
13 | 835485a532 |
14 | 4352a8252d |
15 | 242c380a68 |
hex | 14668587ad |
87619372973 has 8 divisors (see below), whose sum is σ = 96794705280. Its totient is φ = 78645696480.
The previous prime is 87619372961. The next prime is 87619373029. The reversal of 87619372973 is 37927391678.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 87619372973 - 26 = 87619372909 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87619372933) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50413040 + ... + 50414777.
It is an arithmetic number, because the mean of its divisors is an integer number (12099338160).
Almost surely, 287619372973 is an apocalyptic number.
It is an amenable number.
87619372973 is a deficient number, since it is larger than the sum of its proper divisors (9175332307).
87619372973 is a wasteful number, since it uses less digits than its factorization.
87619372973 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100827907.
The product of its digits is 24004512, while the sum is 62.
The spelling of 87619372973 in words is "eighty-seven billion, six hundred nineteen million, three hundred seventy-two thousand, nine hundred seventy-three".
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