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111101013023 = 71113791404937
BaseRepresentation
bin110011101111000100…
…0101110110000011111
3101121202211011020022012
41213132020232300133
53310013324404043
6123012240141435
711012121012650
oct1473610566037
9347684136265
10111101013023
1143132697530
121964760787b
13a6276439c0
14553d507527
152d53acda18
hex19de22ec1f

111101013023 has 32 divisors (see below), whose sum is σ = 151058933760. Its totient is φ = 78901205760.

The previous prime is 111101013013. The next prime is 111101013029. The reversal of 111101013023 is 320310101111.

It is a happy number.

It is not a de Polignac number, because 111101013023 - 24 = 111101013007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111101012989 and 111101013007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101013029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 623390 + ... + 781547.

It is an arithmetic number, because the mean of its divisors is an integer number (4720591680).

Almost surely, 2111101013023 is an apocalyptic number.

111101013023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111101013023 is a deficient number, since it is larger than the sum of its proper divisors (39957920737).

111101013023 is a wasteful number, since it uses less digits than its factorization.

111101013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405047.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111101013023 its reverse (320310101111), we get a palindrome (431411114134).

The spelling of 111101013023 in words is "one hundred eleven billion, one hundred one million, thirteen thousand, twenty-three".

Divisors: 1 7 11 13 77 79 91 143 553 869 1001 1027 6083 7189 11297 79079 1404937 9834559 15454307 18264181 108180149 110990023 127849267 200905991 776930161 1220890253 1406341937 1442870299 8546231771 10100092093 15871573289 111101013023