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142120003230200 = 235241271407915679
BaseRepresentation
bin100000010100000111100100…
…010011101101100111111000
3200122012112120101100010001202
4200110013210103231213320
5122111443231311331300
61222133010025433332
741635555111312052
oct4024074423554770
9618175511303052
10142120003230200
1141313833843036
1213b3398563b848
13613bb21a20498
1427149056c48d2
151166d028abad5
hex8141e44ed9f8

142120003230200 has 192 divisors, whose sum is σ = 339842248704000. Its totient is φ = 55239739776000.

The previous prime is 142120003230173. The next prime is 142120003230203. The reversal of 142120003230200 is 2032300021241.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142120003230203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9064345961 + ... + 9064361639.

It is an arithmetic number, because the mean of its divisors is an integer number (1770011712000).

Almost surely, 2142120003230200 is an apocalyptic number.

142120003230200 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 142120003230200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169921124352000).

142120003230200 is an abundant number, since it is smaller than the sum of its proper divisors (197722245473800).

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

142120003230200 is a wasteful number, since it uses less digits than its factorization.

142120003230200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20086 (or 20077 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 142120003230200 its reverse (2032300021241), we get a palindrome (144152303251441).

The spelling of 142120003230200 in words is "one hundred forty-two trillion, one hundred twenty billion, three million, two hundred thirty thousand, two hundred".