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142350517073 = 433328754081
BaseRepresentation
bin1000010010010011000…
…0001000001101010001
3111121102122121112000002
42010210300020031101
54313013213021243
6145221145335345
713166402300522
oct2044460101521
9447378545002
10142350517073
1155409179436
1223708a97555
13105678439bb
146c6588a849
153a82270eb8
hex2124c08351

142350517073 has 4 divisors (see below), whose sum is σ = 142679271588. Its totient is φ = 142021762560.

The previous prime is 142350517069. The next prime is 142350517121. The reversal of 142350517073 is 370715053241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370715053241 = 1328516542557.

It can be written as a sum of positive squares in 2 ways, for example, as 9119677009 + 133230840064 = 95497^2 + 365008^2 .

It is a cyclic number.

It is not a de Polignac number, because 142350517073 - 22 = 142350517069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142350517033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164376608 + ... + 164377473.

It is an arithmetic number, because the mean of its divisors is an integer number (35669817897).

Almost surely, 2142350517073 is an apocalyptic number.

It is an amenable number.

142350517073 is a deficient number, since it is larger than the sum of its proper divisors (328754515).

142350517073 is an equidigital number, since it uses as much as digits as its factorization.

142350517073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328754514.

The product of its (nonzero) digits is 88200, while the sum is 38.

The spelling of 142350517073 in words is "one hundred forty-two billion, three hundred fifty million, five hundred seventeen thousand, seventy-three".

Divisors: 1 433 328754081 142350517073