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142896159840 = 2535738310457
BaseRepresentation
bin1000010100010101000…
…1100101110001100000
3111122211200100001011110
42011011101211301200
54320122404103330
6145351240343320
713216046214000
oct2050521456140
9448750301143
10142896159840
115566917a975
122383b774b40
13106238b9b45
146cb8124000
153ab5102db0
hex2145465c60

142896159840 has 384 divisors, whose sum is σ = 531299865600. Its totient is φ = 32265375744.

The previous prime is 142896159829. The next prime is 142896159877. The reversal of 142896159840 is 48951698241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13659892 + ... + 13670348.

It is an arithmetic number, because the mean of its divisors is an integer number (1383593400).

Almost surely, 2142896159840 is an apocalyptic number.

142896159840 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 142896159840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265649932800).

142896159840 is an abundant number, since it is smaller than the sum of its proper divisors (388403705760).

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

142896159840 is a wasteful number, since it uses less digits than its factorization.

142896159840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10579 (or 10557 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 142896159840 in words is "one hundred forty-two billion, eight hundred ninety-six million, one hundred fifty-nine thousand, eight hundred forty".