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75104363881 is a prime number
BaseRepresentation
bin100010111110010010…
…0011010010101101001
321011212011002222202201
41011330210122111221
52212303204121011
654300311100201
75266104363001
oct1057444322551
9234764088681
1075104363881
1129940501218
1212680371661
13710bab7101
1438c68c3001
151e487cecc1
hex117c91a569

75104363881 has 2 divisors, whose sum is σ = 75104363882. Its totient is φ = 75104363880.

The previous prime is 75104363861. The next prime is 75104363899. The reversal of 75104363881 is 18836340157.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75054081600 + 50282281 = 273960^2 + 7091^2 .

It is an emirp because it is prime and its reverse (18836340157) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-75104363881 is a prime.

It is a super-2 number, since 2×751043638812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (75104363861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37552181940 + 37552181941.

It is an arithmetic number, because the mean of its divisors is an integer number (37552181941).

Almost surely, 275104363881 is an apocalyptic number.

It is an amenable number.

75104363881 is a deficient number, since it is larger than the sum of its proper divisors (1).

75104363881 is an equidigital number, since it uses as much as digits as its factorization.

75104363881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 75104363881 in words is "seventy-five billion, one hundred four million, three hundred sixty-three thousand, eight hundred eighty-one".