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13212542015101 = 1113165755760651
BaseRepresentation
bin1100000001000100100011…
…0111111001011001111101
31201210002212202210121001201
43000101020313321121331
53212433241223440401
644033431421335501
72532401052046162
oct300211067713175
951702782717051
1013212542015101
114234453576530
121594819707591
1374ac25514cb0
143396c1ad6069
1517da4dc43b01
hexc0448df967d

13212542015101 has 16 divisors (see below), whose sum is σ = 15531795050688. Its totient is φ = 11080756368000.

The previous prime is 13212542015083. The next prime is 13212542015111. The reversal of 13212542015101 is 10151024521231.

13212542015101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-13212542015101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13212542015101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212542015111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27643375 + ... + 28117276.

It is an arithmetic number, because the mean of its divisors is an integer number (970737190668).

Almost surely, 213212542015101 is an apocalyptic number.

13212542015101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13212542015101 is a deficient number, since it is larger than the sum of its proper divisors (2319253035587).

13212542015101 is a wasteful number, since it uses less digits than its factorization.

13212542015101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55762332.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 13212542015101 its reverse (10151024521231), we get a palindrome (23363566536332).

The spelling of 13212542015101 in words is "thirteen trillion, two hundred twelve billion, five hundred forty-two million, fifteen thousand, one hundred one".

Divisors: 1 11 13 143 1657 18227 21541 236951 55760651 613367161 724888463 7973773093 92395398707 1016349385777 1201140183191 13212542015101