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13150531223 = 13795989279
BaseRepresentation
bin11000011111101010…
…10010111010010111
31020221111001012110222
430033311102322113
5203413013444343
610012525304555
7643611446114
oct141765227227
936844035428
1013150531223
11563914a825
12267010515b
13131762862b
148ca75190b
1551e788a68
hex30fd52e97

13150531223 has 4 divisors (see below), whose sum is σ = 13246520640. Its totient is φ = 13054541808.

The previous prime is 13150531189. The next prime is 13150531241. The reversal of 13150531223 is 32213505131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32213505131 = 103312752477.

It is a cyclic number.

It is not a de Polignac number, because 13150531223 - 26 = 13150531159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13150531192 and 13150531201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13150531423) 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, 47994503 + ... + 47994776.

It is an arithmetic number, because the mean of its divisors is an integer number (3311630160).

Almost surely, 213150531223 is an apocalyptic number.

13150531223 is a deficient number, since it is larger than the sum of its proper divisors (95989417).

13150531223 is an equidigital number, since it uses as much as digits as its factorization.

13150531223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95989416.

The product of its (nonzero) digits is 2700, while the sum is 26.

The spelling of 13150531223 in words is "thirteen billion, one hundred fifty million, five hundred thirty-one thousand, two hundred twenty-three".

Divisors: 1 137 95989279 13150531223