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111110414142 = 23713375499971
BaseRepresentation
bin110011101111010110…
…0100101111100111110
3101121210110211212012210
41213132230211330332
53310023231223032
6123013213441250
711012263636320
oct1473654457476
9347713755183
10111110414142
1143137a28752
121964a7a0226
13a629585ab0
145540873610
152d548392cc
hex19deb25f3e

111110414142 has 64 divisors (see below), whose sum is σ = 280894569984. Its totient is φ = 28511844480.

The previous prime is 111110414131. The next prime is 111110414143. The reversal of 111110414142 is 241414011111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110414143) 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, 2729784 + ... + 2770187.

It is an arithmetic number, because the mean of its divisors is an integer number (4388977656).

Almost surely, 2111110414142 is an apocalyptic number.

111110414142 is an abundant number, since it is smaller than the sum of its proper divisors (169784155842).

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

111110414142 is a wasteful number, since it uses less digits than its factorization.

111110414142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500033.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 111110414142 its reverse (241414011111), we get a palindrome (352524425253).

The spelling of 111110414142 in words is "one hundred eleven billion, one hundred ten million, four hundred fourteen thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 13 14 21 26 37 39 42 74 78 91 111 182 222 259 273 481 518 546 777 962 1443 1554 2886 3367 6734 10101 20202 5499971 10999942 16499913 32999826 38499797 71499623 76999594 115499391 142999246 203498927 214498869 230998782 406997854 428997738 500497361 610496781 1000994722 1220993562 1424492489 1501492083 2645486051 2848984978 3002984166 4273477467 5290972102 7936458153 8546954934 15872916306 18518402357 37036804714 55555207071 111110414142