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13015213101 = 32111131163423
BaseRepresentation
bin11000001111100010…
…00110010000101101
31020121001102022220200
430013301012100231
5203123343304401
65551253104113
7640346325462
oct140761062055
936531368820
1013015213101
115579826270
122632928039
1312c559a337
148b67a9669
15512959686
hex307c4642d

13015213101 has 24 divisors (see below), whose sum is σ = 20690332416. Its totient is φ = 7818195840.

The previous prime is 13015213097. The next prime is 13015213109. The reversal of 13015213101 is 10131251031.

13015213101 is a `hidden beast` number, since 1 + 301 + 52 + 1 + 310 + 1 = 666.

It is not a de Polignac number, because 13015213101 - 22 = 13015213097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13015213109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 570525 + ... + 592898.

It is an arithmetic number, because the mean of its divisors is an integer number (862097184).

Almost surely, 213015213101 is an apocalyptic number.

13015213101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13015213101 is a deficient number, since it is larger than the sum of its proper divisors (7675119315).

13015213101 is a wasteful number, since it uses less digits than its factorization.

13015213101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163553 (or 1163550 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

Adding to 13015213101 its reverse (10131251031), we get a palindrome (23146464132).

The spelling of 13015213101 in words is "thirteen billion, fifteen million, two hundred thirteen thousand, one hundred one".

Divisors: 1 3 9 11 33 99 113 339 1017 1243 3729 11187 1163423 3490269 10470807 12797653 38392959 115178877 131466799 394400397 1183201191 1446134789 4338404367 13015213101