Base | Representation |
---|---|
bin | 11001111010000010101… |
… | …01010101101011011011 |
3 | 10011002122101102220002020 |
4 | 30331001111111223123 |
5 | 104041014002440011 |
6 | 1520533052505523 |
7 | 121211566034364 |
oct | 14750125255333 |
9 | 3132571386066 |
10 | 890154343131 |
11 | 31356aa14099 |
12 | 124626a7b2a3 |
13 | 65c30a5b641 |
14 | 3112595cb6b |
15 | 1824ceaa006 |
hex | cf41555adb |
890154343131 has 8 divisors (see below), whose sum is σ = 1186885278480. Its totient is φ = 593429818272.
The previous prime is 890154343069. The next prime is 890154343139. The reversal of 890154343131 is 131343451098.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 890154343131 - 27 = 890154343003 is a prime.
It is a super-2 number, since 2×8901543431312 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (890154343139) 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, 1268676 + ... + 1841153.
It is an arithmetic number, because the mean of its divisors is an integer number (148360659810).
Almost surely, 2890154343131 is an apocalyptic number.
890154343131 is a deficient number, since it is larger than the sum of its proper divisors (296730935349).
890154343131 is a wasteful number, since it uses less digits than its factorization.
890154343131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3205245.
The product of its (nonzero) digits is 155520, while the sum is 42.
The spelling of 890154343131 in words is "eight hundred ninety billion, one hundred fifty-four million, three hundred forty-three thousand, one hundred thirty-one".
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