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13201042130 = 251777653189
BaseRepresentation
bin11000100101101011…
…11110101011010010
31021002000002102102022
430102311332223102
5204013431322010
610021532051442
7645064002203
oct142265765322
937060072368
1013201042130
11566470a381
122685003b82
131324c32443
148d333d5aa
15523e14d55
hex312d7ead2

13201042130 has 16 divisors (see below), whose sum is σ = 25159633560. Its totient is φ = 4969804032.

The previous prime is 13201042111. The next prime is 13201042133. The reversal of 13201042130 is 3124010231.

It can be written as a sum of positive squares in 4 ways, for example, as 13185699241 + 15342889 = 114829^2 + 3917^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 13201042099 and 13201042108.

It is not an unprimeable number, because it can be changed into a prime (13201042133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38826425 + ... + 38826764.

Almost surely, 213201042130 is an apocalyptic number.

13201042130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13201042130 is a deficient number, since it is larger than the sum of its proper divisors (11958591430).

13201042130 is a wasteful number, since it uses less digits than its factorization.

13201042130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77653213.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13201042130 its reverse (3124010231), we get a palindrome (16325052361).

The spelling of 13201042130 in words is "thirteen billion, two hundred one million, forty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 77653189 155306378 388265945 776531890 1320104213 2640208426 6600521065 13201042130