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1111110440231 = 11213676717433
BaseRepresentation
bin10000001010110011010…
…101111101010100100111
310221012222012022121111002
4100022303111331110213
5121201023233041411
62210234224503515
7143163231624401
oct20126325752447
93835865277432
101111110440231
11399245971200
1215b41077ab9b
1380a1486046c
143bac6cc5b71
151dd810a833b
hex102b357d527

1111110440231 has 12 divisors (see below), whose sum is σ = 1222196811696. Its totient is φ = 1009361332320.

The previous prime is 1111110440221. The next prime is 1111110440257. The reversal of 1111110440231 is 1320440111111.

It is a de Polignac number, because none of the positive numbers 2k-1111110440231 is a prime.

It is a super-2 number, since 2×11111104402312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111110440221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3193310 + ... + 3524123.

It is an arithmetic number, because the mean of its divisors is an integer number (101849734308).

Almost surely, 21111110440231 is an apocalyptic number.

1111110440231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1111110440231 is a deficient number, since it is larger than the sum of its proper divisors (111086371465).

1111110440231 is a wasteful number, since it uses less digits than its factorization.

1111110440231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6718822 (or 6718811 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 1111110440231 its reverse (1320440111111), we get a palindrome (2431550551342).

The spelling of 1111110440231 in words is "one trillion, one hundred eleven billion, one hundred ten million, four hundred forty thousand, two hundred thirty-one".

Divisors: 1 11 121 1367 15037 165407 6717433 73891763 812809393 9182730911 101010040021 1111110440231