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11420407272 = 2333712860819
BaseRepresentation
bin10101010001011010…
…11001010111101000
31002110220111210121010
422220231121113220
5141342111013042
65125122543520
7553002601011
oct125055312750
932426453533
1011420407272
11493058201a
122268807ba0
131100062851
147a4a68008
1546c93459c
hex2a8b595e8

11420407272 has 32 divisors (see below), whose sum is σ = 29322669600. Its totient is φ = 3703915584.

The previous prime is 11420407259. The next prime is 11420407277. The reversal of 11420407272 is 27270402411.

11420407272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11420407277) 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, 6429522 + ... + 6431297.

It is an arithmetic number, because the mean of its divisors is an integer number (916333425).

Almost surely, 211420407272 is an apocalyptic number.

11420407272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11420407272 is an abundant number, since it is smaller than the sum of its proper divisors (17902262328).

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

11420407272 is a wasteful number, since it uses less digits than its factorization.

11420407272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12860865 (or 12860861 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

Adding to 11420407272 its reverse (27270402411), we get a palindrome (38690809683).

The spelling of 11420407272 in words is "eleven billion, four hundred twenty million, four hundred seven thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 444 888 12860819 25721638 38582457 51443276 77164914 102886552 154329828 308659656 475850303 951700606 1427550909 1903401212 2855101818 3806802424 5710203636 11420407272