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142201050247 is a prime number
BaseRepresentation
bin1000010001101111010…
…1111101010010000111
3111121001020100211001201
42010123311331102013
54312211432101442
6145154250003331
713162605661264
oct2043365752207
9447036324051
10142201050247
1155341870833
1223686a16547
13105428a06a9
146c4daa026b
153a740997b7
hex211bd7d487

142201050247 has 2 divisors, whose sum is σ = 142201050248. Its totient is φ = 142201050246.

The previous prime is 142201050221. The next prime is 142201050293. The reversal of 142201050247 is 742050102241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142201050247 - 215 = 142201017479 is a prime.

It is a super-2 number, since 2×1422010502472 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142201050217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71100525123 + 71100525124.

It is an arithmetic number, because the mean of its divisors is an integer number (71100525124).

Almost surely, 2142201050247 is an apocalyptic number.

142201050247 is a deficient number, since it is larger than the sum of its proper divisors (1).

142201050247 is an equidigital number, since it uses as much as digits as its factorization.

142201050247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 28.

Adding to 142201050247 its reverse (742050102241), we get a palindrome (884251152488).

The spelling of 142201050247 in words is "one hundred forty-two billion, two hundred one million, fifty thousand, two hundred forty-seven".