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13155460420112 = 243823215070959
BaseRepresentation
bin1011111101101111111010…
…0010111001001000010000
31201120122112122201010100222
42333123332202321020100
53211014340331420422
643551311324532212
72525310400355663
oct277337642711020
951518478633328
1013155460420112
11421222149933a
1215857490b1068
137457295a0c9a
14336a28a896da
1517c30c818842
hexbf6fe8b9210

13155460420112 has 20 divisors (see below), whose sum is σ = 25495371882240. Its totient is φ = 6576009611808.

The previous prime is 13155460420111. The next prime is 13155460420127. The reversal of 13155460420112 is 21102406455131.

It is a happy number.

It is a super-2 number, since 2×131554604201122 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13155460420111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107474312 + ... + 107596647.

It is an arithmetic number, because the mean of its divisors is an integer number (1274768594112).

Almost surely, 213155460420112 is an apocalyptic number.

It is an amenable number.

13155460420112 is a deficient number, since it is larger than the sum of its proper divisors (12339911462128).

13155460420112 is a wasteful number, since it uses less digits than its factorization.

13155460420112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215074790 (or 215074784 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 13155460420112 its reverse (21102406455131), we get a palindrome (34257866875243).

The spelling of 13155460420112 in words is "thirteen trillion, one hundred fifty-five billion, four hundred sixty million, four hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 3823 7646 15292 30584 61168 215070959 430141918 860283836 1720567672 3441135344 822216276257 1644432552514 3288865105028 6577730210056 13155460420112