Search a number
-
+
20524020301213 = 1113143524617491
BaseRepresentation
bin1001010101010100111101…
…11100000111110110011101
32200200002002021002221121221
410222222132330013312131
510142231143144114323
6111352334343453341
74215545233054042
oct452523674076635
980602067087557
1020524020301213
1165a3208444340
122375838a57251
13b5b5399b83a0
1450d5216831c9
15258d2466a55d
hex12aa9ef07d9d

20524020301213 has 8 divisors (see below), whose sum is σ = 24112135738656. Its totient is φ = 17222954098800.

The previous prime is 20524020301151. The next prime is 20524020301237. The reversal of 20524020301213 is 31210302042502.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20524020301213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20524020301283) 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, 71762308603 + ... + 71762308888.

It is an arithmetic number, because the mean of its divisors is an integer number (3014016967332).

Almost surely, 220524020301213 is an apocalyptic number.

It is an amenable number.

20524020301213 is a deficient number, since it is larger than the sum of its proper divisors (3588115437443).

20524020301213 is a wasteful number, since it uses less digits than its factorization.

20524020301213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143524617515.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20524020301213 its reverse (31210302042502), we get a palindrome (51734322343715).

The spelling of 20524020301213 in words is "twenty trillion, five hundred twenty-four billion, twenty million, three hundred one thousand, two hundred thirteen".

Divisors: 1 11 13 143 143524617491 1578770792401 1865820027383 20524020301213