Base | Representation |
---|---|
bin | 1111100111100… |
… | …11001110000100 |
3 | 100010112111011201 |
4 | 13303303032010 |
5 | 232020112102 |
6 | 21000112244 |
7 | 3150435331 |
oct | 763631604 |
9 | 303474151 |
10 | 131019652 |
11 | 67a59005 |
12 | 37a65684 |
13 | 211b492a |
14 | 13587988 |
15 | b780987 |
hex | 7cf3384 |
131019652 has 12 divisors (see below), whose sum is σ = 229778640. Its totient is φ = 65368616.
The previous prime is 131019631. The next prime is 131019653. The reversal of 131019652 is 256910131.
It is a super-2 number, since 2×1310196522 = 34332298420402208, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 131019652.
It is not an unprimeable number, because it can be changed into a prime (131019653) 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, 33202 + ... + 36937.
It is an arithmetic number, because the mean of its divisors is an integer number (19148220).
Almost surely, 2131019652 is an apocalyptic number.
It is an amenable number.
131019652 is a deficient number, since it is larger than the sum of its proper divisors (98758988).
131019652 is a wasteful number, since it uses less digits than its factorization.
131019652 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70610 (or 70608 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 28.
The square root of 131019652 is about 11446.3816116710. The cubic root of 131019652 is about 507.9007028934.
Adding to 131019652 its reverse (256910131), we get a palindrome (387929783).
The spelling of 131019652 in words is "one hundred thirty-one million, nineteen thousand, six hundred fifty-two".
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