Base | Representation |
---|---|
bin | 101010001000101111… |
… | …1110111110010000010 |
3 | 22122120020220121210212 |
4 | 1110101133313302002 |
5 | 2440304344141314 |
6 | 105323005154122 |
7 | 6352242203441 |
oct | 1242137676202 |
9 | 278506817725 |
10 | 90487880834 |
11 | 3541506019a |
12 | 1565425b942 |
13 | 86c0c23070 |
14 | 4545a1ad58 |
15 | 25490ede3e |
hex | 15117f7c82 |
90487880834 has 8 divisors (see below), whose sum is σ = 146172730620. Its totient is φ = 41763637296.
The previous prime is 90487880809. The next prime is 90487880843. The reversal of 90487880834 is 43808878409.
It can be written as a sum of positive squares in 2 ways, for example, as 88775990209 + 1711890625 = 297953^2 + 41375^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1740151529 + ... + 1740151580.
Almost surely, 290487880834 is an apocalyptic number.
90487880834 is a deficient number, since it is larger than the sum of its proper divisors (55684849786).
90487880834 is a wasteful number, since it uses less digits than its factorization.
90487880834 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3480303124.
The product of its (nonzero) digits is 12386304, while the sum is 59.
The spelling of 90487880834 in words is "ninety billion, four hundred eighty-seven million, eight hundred eighty thousand, eight hundred thirty-four".
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