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15131141225 = 524147443709
BaseRepresentation
bin11100001011110001…
…01110010001101001
31110001111220121121222
432011320232101221
5221442033004400
610541240511425
71043651402234
oct160570562151
943044817558
1015131141225
1164651533a2
122b2347b575
131571a74105
14a3780041b
155d85bb185
hex385e2e469

15131141225 has 48 divisors (see below), whose sum is σ = 19701239040. Its totient is φ = 11516044800.

The previous prime is 15131141171. The next prime is 15131141269. The reversal of 15131141225 is 52214113151.

15131141225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15131141225 - 26 = 15131141161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15131141194 and 15131141203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21341171 + ... + 21341879.

It is an arithmetic number, because the mean of its divisors is an integer number (410442480).

Almost surely, 215131141225 is an apocalyptic number.

It is an amenable number.

15131141225 is a deficient number, since it is larger than the sum of its proper divisors (4570097815).

15131141225 is a wasteful number, since it uses less digits than its factorization.

15131141225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250 (or 1245 counting only the distinct ones).

The product of its digits is 1200, while the sum is 26.

Adding to 15131141225 its reverse (52214113151), we get a palindrome (67345254376).

The spelling of 15131141225 in words is "fifteen billion, one hundred thirty-one million, one hundred forty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 41 47 205 235 443 709 1025 1175 1927 2215 3545 9635 11075 17725 18163 20821 29069 33323 48175 90815 104105 145345 166615 314087 454075 520525 726725 833075 853661 1366243 1570435 4268305 6831215 7852175 12877567 14762089 21341525 34156075 64387835 73810445 321939175 369052225 605245649 3026228245 15131141225