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142031040000000 = 212357147949
BaseRepresentation
bin100000010010110100101101…
…101011111011000000000000
3200121220000221101022202201220
4200102310231223323000000
5122104014032220000000
61222024054202555040
741626255401322014
oct4022645553730000
9617800841282656
10142031040000000
114128a03137a498
1213b1a697b08a80
136133614940878
1427104a6386544
1511648475761a0
hex812d2dafb000

142031040000000 has 416 divisors, whose sum is σ = 473380995172800. Its totient is φ = 37874688000000.

The previous prime is 142031039999921. The next prime is 142031040000007. The reversal of 142031040000000 is 40130241.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (142031040000007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 959926026 + ... + 960073974.

It is an arithmetic number, because the mean of its divisors is an integer number (1137935084550).

Almost surely, 2142031040000000 is an apocalyptic number.

142031040000000 is a gapful number since it is divisible by the number (10) 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 142031040000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236690497586400).

142031040000000 is an abundant number, since it is smaller than the sum of its proper divisors (331349955172800).

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

142031040000000 is an frugal number, since it uses more digits than its factorization.

142031040000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148011 (or 147959 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 142031040000000 its reverse (40130241), we get a palindrome (142031080130241).

The spelling of 142031040000000 in words is "one hundred forty-two trillion, thirty-one billion, forty million", and thus it is an aban number.