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13102122122120 = 235331989586263
BaseRepresentation
bin1011111010101001001101…
…0101011011101110001000
31201101112212102021211210202
42332222103111123232020
53204131121230401440
643511010512031332
72521411541332013
oct276522325335610
951345772254722
1013102122122120
1141a1640403629
121577342232548
137406a9030005
14334208c5037a
1517ac39d58615
hexbea9355bb88

13102122122120 has 32 divisors (see below), whose sum is σ = 29568837568320. Its totient is φ = 5225015463360.

The previous prime is 13102122122057. The next prime is 13102122122137. The reversal of 13102122122120 is 2122122120131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13102122122092 and 13102122122101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494779892 + ... + 494806371.

It is an arithmetic number, because the mean of its divisors is an integer number (924026174010).

Almost surely, 213102122122120 is an apocalyptic number.

13102122122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13102122122120 is an abundant number, since it is smaller than the sum of its proper divisors (16466715446200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13102122122120 is a wasteful number, since it uses less digits than its factorization.

13102122122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989586605 (or 989586601 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 13102122122120 its reverse (2122122120131), we get a palindrome (15224244242251).

The spelling of 13102122122120 in words is "thirteen trillion, one hundred two billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 331 662 1324 1655 2648 3310 6620 13240 989586263 1979172526 3958345052 4947931315 7916690104 9895862630 19791725260 39583450520 327553053053 655106106106 1310212212212 1637765265265 2620424424424 3275530530530 6551061061060 13102122122120