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142899467040 = 253251117352147
BaseRepresentation
bin1000010100010101111…
…0001101001100100000
3111122211220120001210100
42011011132031030200
54320124230421130
6145351435302400
713216116266661
oct2050536151440
9448756501710
10142899467040
11556700296a0
12238408aaa00
13106244a7275
146cb8745368
153ab5557c60
hex214578d320

142899467040 has 288 divisors, whose sum is σ = 535061007936. Its totient is φ = 34441390080.

The previous prime is 142899467023. The next prime is 142899467047. The reversal of 142899467040 is 40764998241.

It is a tau number, because it is divible by the number of its divisors (288).

It is not an unprimeable number, because it can be changed into a prime (142899467047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2714247 + ... + 2766393.

It is an arithmetic number, because the mean of its divisors is an integer number (1857850722).

Almost surely, 2142899467040 is an apocalyptic number.

142899467040 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 142899467040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267530503968).

142899467040 is an abundant number, since it is smaller than the sum of its proper divisors (392161540896).

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

142899467040 is a wasteful number, since it uses less digits than its factorization.

142899467040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52352 (or 52341 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 142899467040 in words is "one hundred forty-two billion, eight hundred ninety-nine million, four hundred sixty-seven thousand, forty".