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142505101043 = 424373358039
BaseRepresentation
bin1000010010110111110…
…1110100011011110011
3111121211102111012100022
42010231331310123303
54313322301213133
6145244350514055
713203260241614
oct2045575643363
9447742435308
10142505101043
1155488461688
122375080592b
13105908891c6
146c7c209c0b
153a90b08998
hex212df746f3

142505101043 has 4 divisors (see below), whose sum is σ = 142508501520. Its totient is φ = 142501700568.

The previous prime is 142505101009. The next prime is 142505101127. The reversal of 142505101043 is 340101505241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142505101043 - 228 = 142236665587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142505101643) 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, 1636583 + ... + 1721456.

It is an arithmetic number, because the mean of its divisors is an integer number (35627125380).

Almost surely, 2142505101043 is an apocalyptic number.

142505101043 is a deficient number, since it is larger than the sum of its proper divisors (3400477).

142505101043 is an equidigital number, since it uses as much as digits as its factorization.

142505101043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400476.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 142505101043 its reverse (340101505241), we get a palindrome (482606606284).

The spelling of 142505101043 in words is "one hundred forty-two billion, five hundred five million, one hundred one thousand, forty-three".

Divisors: 1 42437 3358039 142505101043