Base | Representation |
---|---|
bin | 101001011100000101… |
… | …0110110001001010111 |
3 | 22111200210212120221000 |
4 | 1102320022312021113 |
5 | 2424222213300022 |
6 | 104514151154343 |
7 | 6300143456463 |
oct | 1227012661127 |
9 | 274623776830 |
10 | 88989196887 |
11 | 34816099818 |
12 | 152b63759b3 |
13 | 85125a1b26 |
14 | 444297b4a3 |
15 | 24ac7646ac |
hex | 14b82b6257 |
88989196887 has 16 divisors (see below), whose sum is σ = 131920800480. Its totient is φ = 59287902336.
The previous prime is 88989196853. The next prime is 88989196927. The reversal of 88989196887 is 78869198988.
It is a happy number.
It is not a de Polignac number, because 88989196887 - 26 = 88989196823 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88989196817) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1019208 + ... + 1103069.
It is an arithmetic number, because the mean of its divisors is an integer number (8245050030).
Almost surely, 288989196887 is an apocalyptic number.
88989196887 is a deficient number, since it is larger than the sum of its proper divisors (42931603593).
88989196887 is a wasteful number, since it uses less digits than its factorization.
88989196887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2123839 (or 2123833 counting only the distinct ones).
The product of its digits is 1003290624, while the sum is 81.
The spelling of 88989196887 in words is "eighty-eight billion, nine hundred eighty-nine million, one hundred ninety-six thousand, eight hundred eighty-seven".
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