Base | Representation |
---|---|
bin | 1111100111011… |
… | …10011100111100 |
3 | 100010111111101110 |
4 | 13303232130330 |
5 | 232014000444 |
6 | 20555442020 |
7 | 3150324363 |
oct | 763563474 |
9 | 303444343 |
10 | 131000124 |
11 | 67a45372 |
12 | 37a56310 |
13 | 211a8a88 |
14 | 135807da |
15 | b779cb9 |
hex | 7cee73c |
131000124 has 24 divisors (see below), whose sum is σ = 308474320. Its totient is φ = 43265664.
The previous prime is 131000087. The next prime is 131000161. The reversal of 131000124 is 421000131.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (131000087) and next prime (131000161).
It is a super-2 number, since 2×1310001242 = 34322064976030752, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48769 + ... + 51384.
Almost surely, 2131000124 is an apocalyptic number.
It is an amenable number.
131000124 is an abundant number, since it is smaller than the sum of its proper divisors (177474196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131000124 is a wasteful number, since it uses less digits than its factorization.
131000124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100269 (or 100267 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 131000124 is about 11445.5285592235. The cubic root of 131000124 is about 507.8754680589.
Adding to 131000124 its reverse (421000131), we get a palindrome (552000255).
The spelling of 131000124 in words is "one hundred thirty-one million, one hundred twenty-four", and thus it is an aban number.
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