Base | Representation |
---|---|
bin | 101001101101101100… |
… | …1101000001111001110 |
3 | 22120020000002110011120 |
4 | 1103123121220033032 |
5 | 2431430022242023 |
6 | 105052544101410 |
7 | 6320611525311 |
oct | 1233331501716 |
9 | 276200073146 |
10 | 89580274638 |
11 | 34a99803228 |
12 | 15440304866 |
13 | 85a7b9558a |
14 | 449b280978 |
15 | 24e45bd8e3 |
hex | 14db6683ce |
89580274638 has 32 divisors (see below), whose sum is σ = 180871574400. Its totient is φ = 29575125216.
The previous prime is 89580274559. The next prime is 89580274669. The reversal of 89580274638 is 83647208598.
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, 1835233 + ... + 1883411.
It is an arithmetic number, because the mean of its divisors is an integer number (5652236700).
Almost surely, 289580274638 is an apocalyptic number.
89580274638 is an abundant number, since it is smaller than the sum of its proper divisors (91291299762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89580274638 is a wasteful number, since it uses less digits than its factorization.
89580274638 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51136.
The product of its (nonzero) digits is 23224320, while the sum is 60.
The spelling of 89580274638 in words is "eighty-nine billion, five hundred eighty million, two hundred seventy-four thousand, six hundred thirty-eight".
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