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142681112 = 23711172281
BaseRepresentation
bin10001000000100…
…10010000011000
3100221110221200122
420200102100120
5243011243422
622054052412
73351524630
oct1040222030
9327427618
10142681112
11735a3482
123b94a108
13237387c2
1414d416c0
15c7d5d42
hex8812418

142681112 has 32 divisors (see below), whose sum is σ = 306153120. Its totient is φ = 61067520.

The previous prime is 142681111. The next prime is 142681117. The reversal of 142681112 is 211186241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142681111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61412 + ... + 63692.

It is an arithmetic number, because the mean of its divisors is an integer number (9567285).

Almost surely, 2142681112 is an apocalyptic number.

It is an amenable number.

142681112 is an abundant number, since it is smaller than the sum of its proper divisors (163472008).

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

142681112 is a wasteful number, since it uses less digits than its factorization.

142681112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411 (or 3407 counting only the distinct ones).

The product of its digits is 768, while the sum is 26.

The square root of 142681112 is about 11944.9199243863. The cubic root of 142681112 is about 522.5431534149.

The spelling of 142681112 in words is "one hundred forty-two million, six hundred eighty-one thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 1117 2234 2281 4468 4562 7819 8936 9124 15638 15967 18248 31276 31934 62552 63868 127736 2547877 5095754 10191508 17835139 20383016 35670278 71340556 142681112