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20111313524210 = 2527531792340759
BaseRepresentation
bin1001001001010100001111…
…01100101101010111110010
32122012121211000111102111122
410210222013230231113302
510114000432230233320
6110435002045142242
74143665045250656
oct444520754552762
978177730442448
1020111313524210
116454184202347
12230985a25a982
13b2b6479725ac
144d756da82a66
1524d21c440d25
hex124a87b2d5f2

20111313524210 has 32 divisors (see below), whose sum is σ = 36216422801280. Its totient is φ = 8040957355008.

The previous prime is 20111313524153. The next prime is 20111313524279. The reversal of 20111313524210 is 1242531311102.

It is a super-2 number, since 2×201113135242102 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20111313524210.

It is an unprimeable number.

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, 493399811 + ... + 493440569.

It is an arithmetic number, because the mean of its divisors is an integer number (1131763212540).

Almost surely, 220111313524210 is an apocalyptic number.

20111313524210 is a deficient number, since it is larger than the sum of its proper divisors (16105109277070).

20111313524210 is a wasteful number, since it uses less digits than its factorization.

20111313524210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61442.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 20111313524210 its reverse (1242531311102), we get a palindrome (21353844835312).

The spelling of 20111313524210 in words is "twenty trillion, one hundred eleven billion, three hundred thirteen million, five hundred twenty-four thousand, two hundred ten".

Divisors: 1 2 5 10 2753 5506 13765 17923 27530 35846 40759 81518 89615 179230 203795 407590 49342019 98684038 112209527 224419054 246710095 493420190 561047635 730523557 1122095270 1461047114 3652617785 7305235570 2011131352421 4022262704842 10055656762105 20111313524210