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1000303130021 = 13196760444929
BaseRepresentation
bin11101000111001101011…
…01100111010110100101
310112121221211211000200212
432203212231213112211
5112342110100130041
62043311035345205
7132161305213016
oct16434655472645
93477854730625
101000303130021
11356254047a78
12141a475b2205
1373436021210
14365b47d300d
151b0481928eb
hexe8e6b675a5

1000303130021 has 16 divisors (see below), whose sum is σ = 1150871467200. Its totient is φ = 861702893568.

The previous prime is 1000303130003. The next prime is 1000303130053. The reversal of 1000303130021 is 1200313030001.

It is a de Polignac number, because none of the positive numbers 2k-1000303130021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000303129978 and 1000303130005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000303133021) 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 15 ways as a sum of consecutive naturals, for example, 30205916 + ... + 30239013.

It is an arithmetic number, because the mean of its divisors is an integer number (71929466700).

Almost surely, 21000303130021 is an apocalyptic number.

It is an amenable number.

1000303130021 is a deficient number, since it is larger than the sum of its proper divisors (150568337179).

1000303130021 is a wasteful number, since it uses less digits than its factorization.

1000303130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60445028.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 1000303130021 its reverse (1200313030001), we get a palindrome (2200616160022).

The spelling of 1000303130021 in words is "one trillion, three hundred three million, one hundred thirty thousand, twenty-one".

Divisors: 1 13 19 67 247 871 1273 16549 60444929 785784077 1148453651 4049810243 14929897463 52647533159 76946394617 1000303130021