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75068216444 = 22131443619547
BaseRepresentation
bin100010111101001101…
…0100001010001111100
321011202122002111210202
41011322122201101330
52212214430411234
654252540223032
75265155211614
oct1057232412174
9234678074722
1075068216444
1129922062101
121267023aa78
13710446bcb0
1438c1b93a44
151e4553e77e
hex117a6a147c

75068216444 has 12 divisors (see below), whose sum is σ = 141474715704. Its totient is φ = 34646869104.

The previous prime is 75068216441. The next prime is 75068216449. The reversal of 75068216444 is 44461286057.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75068216441) 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, 721809722 + ... + 721809825.

It is an arithmetic number, because the mean of its divisors is an integer number (11789559642).

Almost surely, 275068216444 is an apocalyptic number.

It is an amenable number.

75068216444 is a deficient number, since it is larger than the sum of its proper divisors (66406499260).

75068216444 is a wasteful number, since it uses less digits than its factorization.

75068216444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443619564 (or 1443619562 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 75068216444 in words is "seventy-five billion, sixty-eight million, two hundred sixteen thousand, four hundred forty-four".

Divisors: 1 2 4 13 26 52 1443619547 2887239094 5774478188 18767054111 37534108222 75068216444