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142343424202220 = 22512967215488591
BaseRepresentation
bin100000010111010111101001…
…001111000101010111101100
3200122222220020222022110012022
4200113113221033011113230
5122124123313043432340
61222423355532325312
741660654514245243
oct4027275117052754
9618886228273168
10142343424202220
114139a56409315a
1213b6b138913838
136156c093a3a87
14272165c15795a
15116ca2c0983b5
hex8175e93c55ec

142343424202220 has 24 divisors (see below), whose sum is σ = 298921475807808. Its totient is φ = 56937315398400.

The previous prime is 142343424202141. The next prime is 142343424202247. The reversal of 142343424202220 is 22202424343241.

It is a super-2 number, since 2×1423434242022202 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23190125 + ... + 28678715.

It is an arithmetic number, because the mean of its divisors is an integer number (12455061491992).

Almost surely, 2142343424202220 is an apocalyptic number.

142343424202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142343424202220 is an abundant number, since it is smaller than the sum of its proper divisors (156578051605588).

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

142343424202220 is a wasteful number, since it uses less digits than its factorization.

142343424202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6785321 (or 6785319 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 142343424202220 its reverse (22202424343241), we get a palindrome (164545848545461).

The spelling of 142343424202220 in words is "one hundred forty-two trillion, three hundred forty-three billion, four hundred twenty-four million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1296721 2593442 5186884 5488591 6483605 10977182 12967210 21954364 25934420 27442955 54885910 109771820 7117171210111 14234342420222 28468684840444 35585856050555 71171712101110 142343424202220