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142543550240 = 255713217311429
BaseRepresentation
bin1000010011000001000…
…0011111011100100000
3111121221002211121201122
42010300100133130200
54313412122101430
6145252242551412
713204235120450
oct2046020373440
9447832747648
10142543550240
11554a8133083
1223761668568
131059882bc00
146c83377d60
153a941a0ee5
hex213041f720

142543550240 has 576 divisors, whose sum is σ = 455817922560. Its totient is φ = 41060597760.

The previous prime is 142543550239. The next prime is 142543550263. The reversal of 142543550240 is 42055345241.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 142543550240.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 99749846 + ... + 99751274.

It is an arithmetic number, because the mean of its divisors is an integer number (791350560).

Almost surely, 2142543550240 is an apocalyptic number.

142543550240 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 142543550240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227908961280).

142543550240 is an abundant number, since it is smaller than the sum of its proper divisors (313274372320).

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

142543550240 is a wasteful number, since it uses less digits than its factorization.

142543550240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525 (or 1504 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 142543550240 its reverse (42055345241), we get a palindrome (184598895481).

The spelling of 142543550240 in words is "one hundred forty-two billion, five hundred forty-three million, five hundred fifty thousand, two hundred forty".