Search a number
-
+
20010033130021 = 117324919094807
BaseRepresentation
bin1001000110010111100101…
…11010101010101000100101
32121211221101121120022121221
410203023302322222220211
510110321021440130041
6110320252102540341
74133451163146544
oct443136272525045
977757347508557
1020010033130021
116415231050130
1222b20b37376b1
13b21c26b00a6c
144d26c296615b
1524a790ada2d1
hex1232f2eaaa25

20010033130021 has 8 divisors (see below), whose sum is σ = 22128156189504. Its totient is φ = 17941748260320.

The previous prime is 20010033129937. The next prime is 20010033130039. The reversal of 20010033130021 is 12003133001002.

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

It is a cyclic number.

It is not a de Polignac number, because 20010033130021 - 225 = 20009999575589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20010033129977 and 20010033130004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010033130921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12459546601 + ... + 12459548206.

It is an arithmetic number, because the mean of its divisors is an integer number (2766019523688).

Almost surely, 220010033130021 is an apocalyptic number.

It is an amenable number.

20010033130021 is a deficient number, since it is larger than the sum of its proper divisors (2118123059483).

20010033130021 is a wasteful number, since it uses less digits than its factorization.

20010033130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24919094891.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20010033130021 its reverse (12003133001002), we get a palindrome (32013166131023).

The spelling of 20010033130021 in words is "twenty trillion, ten billion, thirty-three million, one hundred thirty thousand, twenty-one".

Divisors: 1 11 73 803 24919094807 274110042877 1819093920911 20010033130021