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139115489485 = 57311271935231
BaseRepresentation
bin1000000110001111101…
…1011110100011001101
3111022002012100002102111
42001203323132203031
54234402031130420
6143524143424021
713023261102310
oct2014373364315
9438065302374
10139115489485
1153aa9081315
1222b655b5011
131017055c9ab
146a39d84977
15394325445a
hex2063ede8cd

139115489485 has 64 divisors (see below), whose sum is σ = 199558692864. Its totient is φ = 91097395200.

The previous prime is 139115489483. The next prime is 139115489573. The reversal of 139115489485 is 584984511931.

It is not a de Polignac number, because 139115489485 - 21 = 139115489483 is a prime.

It is a super-2 number, since 2×1391154894852 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139115489483) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26591820 + ... + 26597050.

It is an arithmetic number, because the mean of its divisors is an integer number (3118104576).

Almost surely, 2139115489485 is an apocalyptic number.

It is an amenable number.

139115489485 is a deficient number, since it is larger than the sum of its proper divisors (60443203379).

139115489485 is a wasteful number, since it uses less digits than its factorization.

139115489485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594.

The product of its digits is 6220800, while the sum is 58.

The spelling of 139115489485 in words is "one hundred thirty-nine billion, one hundred fifteen million, four hundred eighty-nine thousand, four hundred eighty-five".

Divisors: 1 5 7 31 35 127 155 193 217 635 889 965 1085 1351 3937 4445 5231 5983 6755 19685 24511 26155 27559 29915 36617 41881 122555 137795 162161 171577 183085 209405 664337 759841 810805 857885 1009583 1135127 3321685 3799205 4650359 5047915 5318887 5675635 7067081 20594447 23251795 26594435 31297073 35335405 102972235 128217041 144161129 156485365 219079511 641085205 720805645 897519287 1095397555 3974728271 4487596435 19873641355 27823097897 139115489485