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5438079166161 = 3139191647105529
BaseRepresentation
bin100111100100010011011…
…0001101110011011010001
3201020212122002100120020110
41033020212301232123101
51203044141231304121
615322115153231533
71100613446143245
oct117104661563321
921225562316213
105438079166161
111807304a12014
12739b298625a9
13305a68838495
1414b2c0d88425
15966cc17ad76
hex4f226c6e6d1

5438079166161 has 32 divisors (see below), whose sum is σ = 7352587468800. Its totient is φ = 3574891854720.

The previous prime is 5438079166153. The next prime is 5438079166171. The reversal of 5438079166161 is 1616619708345.

It is not a de Polignac number, because 5438079166161 - 23 = 5438079166153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5438079166151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51478845 + ... + 51584373.

It is an arithmetic number, because the mean of its divisors is an integer number (229768358400).

Almost surely, 25438079166161 is an apocalyptic number.

It is an amenable number.

5438079166161 is a deficient number, since it is larger than the sum of its proper divisors (1914508302639).

5438079166161 is a wasteful number, since it uses less digits than its factorization.

5438079166161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106509.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 5438079166161 in words is "five trillion, four hundred thirty-eight billion, seventy-nine million, one hundred sixty-six thousand, one hundred sixty-one".

Divisors: 1 3 139 191 417 573 647 1941 26549 79647 89933 105529 123577 269799 316587 370731 14668531 17177203 20156039 44005593 51531609 60468117 68277263 204831789 2801689421 8405068263 9490539557 13040957233 28471618671 39122871699 1812693055387 5438079166161