Base | Representation |
---|---|
bin | 100111000100011110… |
… | …1111110101010111111 |
3 | 22000120022000211221122 |
4 | 1032020331332222333 |
5 | 2333312443434422 |
6 | 102313314021155 |
7 | 6030115005446 |
oct | 1161075765277 |
9 | 260508024848 |
10 | 83902327487 |
11 | 32645749520 |
12 | 143168777bb |
13 | 7bb1749234 |
14 | 40bd145d5d |
15 | 22b0d9dd42 |
hex | 1388f7eabf |
83902327487 has 8 divisors (see below), whose sum is σ = 96347170560. Its totient is φ = 72260377560.
The previous prime is 83902327429. The next prime is 83902327489. The reversal of 83902327487 is 78472320938.
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 83902327487 - 28 = 83902327231 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 (83902327489) 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, 200723063 + ... + 200723480.
It is an arithmetic number, because the mean of its divisors is an integer number (12043396320).
Almost surely, 283902327487 is an apocalyptic number.
83902327487 is a deficient number, since it is larger than the sum of its proper divisors (12444843073).
83902327487 is a wasteful number, since it uses less digits than its factorization.
83902327487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 401446573.
The product of its (nonzero) digits is 4064256, while the sum is 53.
The spelling of 83902327487 in words is "eighty-three billion, nine hundred two million, three hundred twenty-seven thousand, four hundred eighty-seven".
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