Base | Representation |
---|---|
bin | 1111101000001… |
… | …11110110011000 |
3 | 100010200210002100 |
4 | 13310013312120 |
5 | 232030313102 |
6 | 21002003400 |
7 | 3151236564 |
oct | 764076630 |
9 | 303623070 |
10 | 131104152 |
11 | 68006543 |
12 | 37aa6560 |
13 | 2121422a |
14 | 135aa6a4 |
15 | b79aa1c |
hex | 7d07d98 |
131104152 has 24 divisors (see below), whose sum is σ = 355073940. Its totient is φ = 43701360.
The previous prime is 131104151. The next prime is 131104159. The reversal of 131104152 is 251401131.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131104151) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 910374 + ... + 910517.
Almost surely, 2131104152 is an apocalyptic number.
131104152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131104152 is an abundant number, since it is smaller than the sum of its proper divisors (223969788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131104152 is a wasteful number, since it uses less digits than its factorization.
131104152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1820903 (or 1820896 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 131104152 is about 11450.0721395107. The cubic root of 131104152 is about 508.0098681614.
Adding to 131104152 its reverse (251401131), we get a palindrome (382505283).
The spelling of 131104152 in words is "one hundred thirty-one million, one hundred four thousand, one hundred fifty-two".
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