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142181587968 = 2103719347993
BaseRepresentation
bin1000010001101010101…
…1101101110000000000
3111120222212202000211120
42010122223231300000
54312141441303333
6145152312512240
713162251362040
oct2043253556000
9446885660746
10142181587968
1155331888502
12236803ab680
131053b847c54
146c4b275720
153a72502db3
hex211aaedc00

142181587968 has 176 divisors, whose sum is σ = 455899979520. Its totient is φ = 38485131264.

The previous prime is 142181587921. The next prime is 142181587981. The reversal of 142181587968 is 869785181241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234580 + ... + 582572.

Almost surely, 2142181587968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142181587968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227949989760).

142181587968 is an abundant number, since it is smaller than the sum of its proper divisors (313718391552).

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

142181587968 is a wasteful number, since it uses less digits than its factorization.

142181587968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348042 (or 348024 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 60.

The spelling of 142181587968 in words is "one hundred forty-two billion, one hundred eighty-one million, five hundred eighty-seven thousand, nine hundred sixty-eight".