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13121103130 = 2511931099841
BaseRepresentation
bin11000011100001010…
…00010010100011010
31020212102200002201121
430032011002110122
5203333000300010
610005554435454
7643103351662
oct141605022432
936772602647
1013121103130
11562357aa93
122662292b8a
1313114c3a65
148c68911a2
1551bdc43da
hex30e14251a

13121103130 has 16 divisors (see below), whose sum is σ = 23637804264. Its totient is φ = 5244037120.

The previous prime is 13121103113. The next prime is 13121103197. The reversal of 13121103130 is 3130112131.

It can be written as a sum of positive squares in 4 ways, for example, as 8807634801 + 4313468329 = 93849^2 + 65677^2 .

It is a super-3 number, since 3×131211031303 (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537991 + ... + 561850.

Almost surely, 213121103130 is an apocalyptic number.

13121103130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13121103130 is a deficient number, since it is larger than the sum of its proper divisors (10516701134).

13121103130 is a wasteful number, since it uses less digits than its factorization.

13121103130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101041.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 13121103130 its reverse (3130112131), we get a palindrome (16251215261).

Subtracting from 13121103130 its reverse (3130112131), we obtain a palindrome (9990990999).

The spelling of 13121103130 in words is "thirteen billion, one hundred twenty-one million, one hundred three thousand, one hundred thirty".

Divisors: 1 2 5 10 1193 2386 5965 11930 1099841 2199682 5499205 10998410 1312110313 2624220626 6560551565 13121103130