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142755999750 = 2355373131731
BaseRepresentation
bin1000010011110011101…
…0111011000000000110
3111122110220121011200000
42010330322323000012
54314331013443000
6145325312302130
713212424656000
oct2047472730006
9448426534600
10142755999750
11555a7049591
1223800841946
1310600854990
146ca367b370
153aa7b69000
hex213cebb006

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".