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142012301142140 = 2251121319235335423
BaseRepresentation
bin100000010010100011010000…
…110000110110100001111100
3200121211020120102212011021022
4200102203100300312201330
5122103212143043022030
61222011314524123312
741625023131545242
oct4022432060664174
9617736512764238
10142012301142140
1141282095818200
1213b16b28396538
1361319196171b0
14270d609788792
1511640ec3c1de5
hex8128d0c3687c

142012301142140 has 432 divisors, whose sum is σ = 373641239349504. Its totient is φ = 45030396026880.

The previous prime is 142012301142011. The next prime is 142012301142149. The reversal of 142012301142140 is 41241103210241.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142012301142149) 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 143 ways as a sum of consecutive naturals, for example, 4009024469 + ... + 4009059891.

It is an arithmetic number, because the mean of its divisors is an integer number (864910276272).

Almost surely, 2142012301142140 is an apocalyptic number.

142012301142140 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 142012301142140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186820619674752).

142012301142140 is an abundant number, since it is smaller than the sum of its proper divisors (231628938207364).

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

142012301142140 is a wasteful number, since it uses less digits than its factorization.

142012301142140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35858 (or 35826 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 142012301142140 its reverse (41241103210241), we get a palindrome (183253404352381).

The spelling of 142012301142140 in words is "one hundred forty-two trillion, twelve billion, three hundred one million, one hundred forty-two thousand, one hundred forty".