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142425422400 = 26352277107119
BaseRepresentation
bin1000010010100100110…
…1110111101001000000
3111121121212120002210110
42010221031313221000
54313141402004100
6145232423031320
713201302054432
oct2045115675100
9447555502713
10142425422400
115544748a968
1223729b9b540
131057a20c191
146c717c8652
153a88b1a250
hex2129377a40

142425422400 has 168 divisors, whose sum is σ = 468965361280. Its totient is φ = 37842647040.

The previous prime is 142425422333. The next prime is 142425422407. The reversal of 142425422400 is 4224524241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (142425422407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1276041 + ... + 1383159.

Almost surely, 2142425422400 is an apocalyptic number.

142425422400 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 142425422400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234482680640).

142425422400 is an abundant number, since it is smaller than the sum of its proper divisors (326539938880).

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

142425422400 is a wasteful number, since it uses less digits than its factorization.

142425422400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107421 (or 107406 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 142425422400 its reverse (4224524241), we get a palindrome (146649946641).

The spelling of 142425422400 in words is "one hundred forty-two billion, four hundred twenty-five million, four hundred twenty-two thousand, four hundred".