Search a number
-
+
20111012302 = 210793976693
BaseRepresentation
bin10010101110101101…
…011011000111001110
31220220120102021111111
4102232231123013032
5312141404343202
613123332442234
71311240532633
oct225655330716
956816367444
1020111012302
118590162227
123a9317937a
131b866a59a4
14d8ad4218a
157ca8986d7
hex4aeb5b1ce

20111012302 has 8 divisors (see below), whose sum is σ = 30448448856. Its totient is φ = 9961529352.

The previous prime is 20111012281. The next prime is 20111012309. The reversal of 20111012302 is 20321011102.

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

It is a super-2 number, since 2×201110123022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111012309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46988133 + ... + 46988560.

It is an arithmetic number, because the mean of its divisors is an integer number (3806056107).

Almost surely, 220111012302 is an apocalyptic number.

20111012302 is a deficient number, since it is larger than the sum of its proper divisors (10337436554).

20111012302 is a wasteful number, since it uses less digits than its factorization.

20111012302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93976802.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20111012302 its reverse (20321011102), we get a palindrome (40432023404).

The spelling of 20111012302 in words is "twenty billion, one hundred eleven million, twelve thousand, three hundred two".

Divisors: 1 2 107 214 93976693 187953386 10055506151 20111012302