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13281928108 = 229773398651
BaseRepresentation
bin11000101111010101…
…00010001110101100
31021021122021212010021
430113222202032230
5204200133144413
610033541451524
7650065345321
oct142752421654
937248255107
1013281928108
1156a6336199
1226a8110ba4
131338912b77
148ddd96b48
1552b09118d
hex317aa23ac

13281928108 has 12 divisors (see below), whose sum is σ = 23267171592. Its totient is φ = 6634164800.

The previous prime is 13281928103. The next prime is 13281928117. The reversal of 13281928108 is 80182918231.

It is a happy number.

13281928108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×132819281082 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13281928103) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1695418 + ... + 1703233.

It is an arithmetic number, because the mean of its divisors is an integer number (1938930966).

Almost surely, 213281928108 is an apocalyptic number.

It is an amenable number.

13281928108 is a deficient number, since it is larger than the sum of its proper divisors (9985243484).

13281928108 is a wasteful number, since it uses less digits than its factorization.

13281928108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399632 (or 3399630 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 43.

The spelling of 13281928108 in words is "thirteen billion, two hundred eighty-one million, nine hundred twenty-eight thousand, one hundred eight".

Divisors: 1 2 4 977 1954 3908 3398651 6797302 13594604 3320482027 6640964054 13281928108