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75342168389039 = 531421550346963
BaseRepresentation
bin10001001000010111110111…
…001011101111010110101111
3100212202122022020221001000112
4101020113313023233112233
534333401230101422124
6424123414144050235
721604202111512346
oct2110276713572657
9325678266831015
1075342168389039
1122008485986782
12854999790397b
133306974c93456
14148681a8cab5d
158a9c5193390e
hex4485f72ef5af

75342168389039 has 4 divisors (see below), whose sum is σ = 76763718736056. Its totient is φ = 73920618042024.

The previous prime is 75342168389021. The next prime is 75342168389063. The reversal of 75342168389039 is 93098386124357.

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 75342168389039 - 216 = 75342168323503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75342168389039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75342168319039) 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, 710775173429 + ... + 710775173534.

It is an arithmetic number, because the mean of its divisors is an integer number (19190929684014).

It is a 1-persistent number, because it is pandigital, but 2⋅75342168389039 = 150684336778078 is not.

Almost surely, 275342168389039 is an apocalyptic number.

75342168389039 is a deficient number, since it is larger than the sum of its proper divisors (1421550347017).

75342168389039 is a wasteful number, since it uses less digits than its factorization.

75342168389039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421550347016.

The product of its (nonzero) digits is 235146240, while the sum is 68.

The spelling of 75342168389039 in words is "seventy-five trillion, three hundred forty-two billion, one hundred sixty-eight million, three hundred eighty-nine thousand, thirty-nine".

Divisors: 1 53 1421550346963 75342168389039