Base | Representation |
---|---|
bin | 1111100111110… |
… | …11011010011100 |
3 | 100010121012012200 |
4 | 13303323122130 |
5 | 232022200322 |
6 | 21000531500 |
7 | 3150635223 |
oct | 763733234 |
9 | 303535180 |
10 | 131053212 |
11 | 67a81244 |
12 | 37a80b90 |
13 | 211c6ca4 |
14 | 13595cba |
15 | b78a8ac |
hex | 7cfb69c |
131053212 has 36 divisors (see below), whose sum is σ = 335003760. Its totient is φ = 43192512.
The previous prime is 131053211. The next prime is 131053217. The reversal of 131053212 is 212350131.
131053212 is a `hidden beast` number, since 131 + 0 + 532 + 1 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
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 (131053211) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17248 + ... + 23655.
It is an arithmetic number, because the mean of its divisors is an integer number (9305660).
Almost surely, 2131053212 is an apocalyptic number.
131053212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131053212 is an abundant number, since it is smaller than the sum of its proper divisors (203950548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131053212 is a wasteful number, since it uses less digits than its factorization.
131053212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41002 (or 40997 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 131053212 is about 11447.8474832608. The cubic root of 131053212 is about 507.9440645627.
The spelling of 131053212 in words is "one hundred thirty-one million, fifty-three thousand, two hundred twelve".
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