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20010102010093 = 131539238616161
BaseRepresentation
bin1001000110010111101110…
…00001011011000011101101
32121211221120102011210022201
410203023313001123003231
510110321142103310333
6110320303003141501
74133452660500226
oct443136701330355
977757512153281
1020010102010093
116415266a16808
1222b2112814891
13b21c381698c0
144d26cbb7624d
1524a796b9417d
hex1232f705b0ed

20010102010093 has 4 divisors (see below), whose sum is σ = 21549340626268. Its totient is φ = 18470863393920.

The previous prime is 20010102010061. The next prime is 20010102010277. The reversal of 20010102010093 is 39001020101002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1379595891844 + 18630506118249 = 1174562^2 + 4316307^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010102010093 - 25 = 20010102010061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20010102010093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010102010793) 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 3 ways as a sum of consecutive naturals, for example, 769619308068 + ... + 769619308093.

It is an arithmetic number, because the mean of its divisors is an integer number (5387335156567).

Almost surely, 220010102010093 is an apocalyptic number.

It is an amenable number.

20010102010093 is a deficient number, since it is larger than the sum of its proper divisors (1539238616175).

20010102010093 is a wasteful number, since it uses less digits than its factorization.

20010102010093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539238616174.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 20010102010093 its reverse (39001020101002), we get a palindrome (59011122111095).

The spelling of 20010102010093 in words is "twenty trillion, ten billion, one hundred two million, ten thousand, ninety-three".

Divisors: 1 13 1539238616161 20010102010093