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13151104025 = 521988926449
BaseRepresentation
bin11000011111101110…
…11110110000011001
31020221112010022012212
430033313132300121
5203413140312100
610012545444505
7643616353103
oct141767366031
936845108185
1013151104025
115639501114
122670340735
131317799277
148ca860573
1551e84d635
hex30fddec19

13151104025 has 12 divisors (see below), whose sum is σ = 16308805500. Its totient is φ = 10519956480.

The previous prime is 13151104019. The next prime is 13151104037. The reversal of 13151104025 is 52040115131.

It can be written as a sum of positive squares in 6 ways, for example, as 134119561 + 13016984464 = 11581^2 + 114092^2 .

It is not a de Polignac number, because 13151104025 - 214 = 13151087641 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 484001 + ... + 510449.

It is an arithmetic number, because the mean of its divisors is an integer number (1359067125).

Almost surely, 213151104025 is an apocalyptic number.

It is an amenable number.

13151104025 is a deficient number, since it is larger than the sum of its proper divisors (3157701475).

13151104025 is a wasteful number, since it uses less digits than its factorization.

13151104025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46348 (or 46343 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 13151104025 its reverse (52040115131), we get a palindrome (65191219156).

The spelling of 13151104025 in words is "thirteen billion, one hundred fifty-one million, one hundred four thousand, twenty-five".

Divisors: 1 5 25 19889 26449 99445 132245 497225 661225 526044161 2630220805 13151104025