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20013011333 = 76146868879
BaseRepresentation
bin10010101000110111…
…100101000110000101
31220122202000022102222
4102220313211012011
5311441312330313
613105512142125
71305640534550
oct225067450605
956582008388
1020013011333
11853a906697
123a66397945
131b6c2b2053
14d7bd11697
157c1e8b208
hex4a8de5185

20013011333 has 8 divisors (see below), whose sum is σ = 23246964480. Its totient is φ = 16872796080.

The previous prime is 20013011309. The next prime is 20013011401. The reversal of 20013011333 is 33311031002.

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

It is not a de Polignac number, because 20013011333 - 218 = 20012749189 is a prime.

It is a super-2 number, since 2×200130113332 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013011533) 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, 23434013 + ... + 23434866.

It is an arithmetic number, because the mean of its divisors is an integer number (2905870560).

Almost surely, 220013011333 is an apocalyptic number.

It is an amenable number.

20013011333 is a deficient number, since it is larger than the sum of its proper divisors (3233953147).

20013011333 is an equidigital number, since it uses as much as digits as its factorization.

20013011333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46868947.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 20013011333 its reverse (33311031002), we get a palindrome (53324042335).

The spelling of 20013011333 in words is "twenty billion, thirteen million, eleven thousand, three hundred thirty-three".

Divisors: 1 7 61 427 46868879 328082153 2859001619 20013011333