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20013120032677 = 191912275508229
BaseRepresentation
bin1001000110011101010101…
…11010010000111110100101
32121212020100202010012222221
410203032222322100332211
510110343332212021202
6110321522253552341
74133620525325002
oct443165272207645
977766322105887
1020013120032677
116416575576852
1222b28154a56b1
13b222c94c1495
144d28d69108a9
1524a8c1ae8037
hex1233aae90fa5

20013120032677 has 8 divisors (see below), whose sum is σ = 21066556128800. Its totient is φ = 18959695335504.

The previous prime is 20013120032651. The next prime is 20013120032701. The reversal of 20013120032677 is 77623002131002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20013120032677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013120036677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879199 + ... + 6387427.

It is an arithmetic number, because the mean of its divisors is an integer number (2633319516100).

Almost surely, 220013120032677 is an apocalyptic number.

It is an amenable number.

20013120032677 is a deficient number, since it is larger than the sum of its proper divisors (1053436096123).

20013120032677 is a wasteful number, since it uses less digits than its factorization.

20013120032677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5699475.

The product of its (nonzero) digits is 21168, while the sum is 34.

Adding to 20013120032677 its reverse (77623002131002), we get a palindrome (97636122163679).

The spelling of 20013120032677 in words is "twenty trillion, thirteen billion, one hundred twenty million, thirty-two thousand, six hundred seventy-seven".

Divisors: 1 19 191227 3633313 5508229 104656351 1053322106983 20013120032677