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142502112 = 25332371101
BaseRepresentation
bin10000111111001…
…10100011100000
3100221010212011000
420133212203200
5242440031422
622050152000
73350151024
oct1037464340
9327125130
10142502112
1173490a45
123b882600
13236a519c
1414cd6384
15c79ccac
hex87e68e0

142502112 has 192 divisors, whose sum is σ = 444165120. Its totient is φ = 44352000.

The previous prime is 142502111. The next prime is 142502123. The reversal of 142502112 is 211205241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142502111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1410862 + ... + 1410962.

It is an arithmetic number, because the mean of its divisors is an integer number (2313360).

Almost surely, 2142502112 is an apocalyptic number.

142502112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142502112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222082560).

142502112 is an abundant number, since it is smaller than the sum of its proper divisors (301663008).

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

142502112 is a wasteful number, since it uses less digits than its factorization.

142502112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 142502112 is about 11937.4248479310. The cubic root of 142502112 is about 522.3245438522.

Adding to 142502112 its reverse (211205241), we get a palindrome (353707353).

The spelling of 142502112 in words is "one hundred forty-two million, five hundred two thousand, one hundred twelve".