Base | Representation |
---|---|
bin | 1000010011110011101… |
… | …0111011000000000110 |
3 | 111122110220121011200000 |
4 | 2010330322323000012 |
5 | 4314331013443000 |
6 | 145325312302130 |
7 | 13212424656000 |
oct | 2047472730006 |
9 | 448426534600 |
10 | 142755999750 |
11 | 555a7049591 |
12 | 23800841946 |
13 | 10600854990 |
14 | 6ca367b370 |
15 | 3aa7b69000 |
hex | 213cebb006 |
142755999750 has 1536 divisors, whose sum is σ = 549487411200. Its totient is φ = 27433728000.
The previous prime is 142755999713. The next prime is 142755999811. The reversal of 142755999750 is 57999557241.
142755999750 is a `hidden beast` number, since 1 + 4 + 2 + 7 + 559 + 9 + 9 + 75 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 4605032235 + ... + 4605032265.
It is an arithmetic number, because the mean of its divisors is an integer number (357739200).
Almost surely, 2142755999750 is an apocalyptic number.
142755999750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 142755999750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274743705600).
142755999750 is an abundant number, since it is smaller than the sum of its proper divisors (406731411450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142755999750 is a wasteful number, since it uses less digits than its factorization.
142755999750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 114 (or 78 counting only the distinct ones).
The product of its (nonzero) digits is 35721000, while the sum is 63.
The spelling of 142755999750 in words is "one hundred forty-two billion, seven hundred fifty-five million, nine hundred ninety-nine thousand, seven hundred fifty".
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