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10111220320 = 25565639629
BaseRepresentation
bin10010110101010110…
…01111101001100000
3222002200001012201111
421122223033221200
5131201433022240
64351154313104
7505364645305
oct113253175140
928080035644
1010111220320
11431957a533
121b62288794
13c51a5c106
146bcc350ac
153e2a2c1ea
hex25aacfa60

10111220320 has 48 divisors (see below), whose sum is σ = 23893878960. Its totient is φ = 4043451904.

The previous prime is 10111220269. The next prime is 10111220321. The reversal of 10111220320 is 2302211101.

10111220320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 10111220320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111220321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045266 + ... + 1054894.

It is an arithmetic number, because the mean of its divisors is an integer number (497789145).

Almost surely, 210111220320 is an apocalyptic number.

10111220320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111220320 is an abundant number, since it is smaller than the sum of its proper divisors (13782658640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10111220320 is an equidigital number, since it uses as much as digits as its factorization.

10111220320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16207 (or 16199 counting only the distinct ones).

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

Adding to 10111220320 its reverse (2302211101), we get a palindrome (12413431421).

The spelling of 10111220320 in words is "ten billion, one hundred eleven million, two hundred twenty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 6563 9629 13126 19258 26252 32815 38516 48145 52504 65630 77032 96290 105008 131260 154064 192580 210016 262520 308128 385160 525040 770320 1050080 1540640 63195127 126390254 252780508 315975635 505561016 631951270 1011122032 1263902540 2022244064 2527805080 5055610160 10111220320