Base | Representation |
---|---|
bin | 1111101011010… |
… | …11001100001100 |
3 | 100011110110020201 |
4 | 13311223030030 |
5 | 232131323202 |
6 | 21014423244 |
7 | 3154553101 |
oct | 765531414 |
9 | 304413221 |
10 | 131511052 |
11 | 68264222 |
12 | 38061b24 |
13 | 213274ba |
14 | 13674aa8 |
15 | b82b387 |
hex | 7d6b30c |
131511052 has 12 divisors (see below), whose sum is σ = 237568576. Its totient is φ = 63634320.
The previous prime is 131511047. The next prime is 131511053. The reversal of 131511052 is 250115131.
It is not an unprimeable number, because it can be changed into a prime (131511053) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530163 + ... + 530410.
Almost surely, 2131511052 is an apocalyptic number.
It is an amenable number.
131511052 is a deficient number, since it is larger than the sum of its proper divisors (106057524).
131511052 is a wasteful number, since it uses less digits than its factorization.
131511052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1060608 (or 1060606 counting only the distinct ones).
The product of its (nonzero) digits is 150, while the sum is 19.
The square root of 131511052 is about 11467.8268211549. The cubic root of 131511052 is about 508.5348851800.
Adding to 131511052 its reverse (250115131), we get a palindrome (381626183).
The spelling of 131511052 in words is "one hundred thirty-one million, five hundred eleven thousand, fifty-two".
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