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12725341475 = 5271110761781
BaseRepresentation
bin10111101100111110…
…10100110100100011
31012211211222022210112
423312133110310203
5202030141411400
65502420121535
7630226421630
oct136637246443
935754868715
1012725341475
11544013a440
1225718362ab
13127a507672
1488a0b1187
154e729b835
hex2f67d4d23

12725341475 has 48 divisors (see below), whose sum is σ = 19857229056. Its totient is φ = 7858416000.

The previous prime is 12725341463. The next prime is 12725341477. The reversal of 12725341475 is 57414352721.

It is not a de Polignac number, because 12725341475 - 26 = 12725341411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12725341477) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175085 + ... + 236865.

It is an arithmetic number, because the mean of its divisors is an integer number (413692272).

Almost surely, 212725341475 is an apocalyptic number.

12725341475 is a deficient number, since it is larger than the sum of its proper divisors (7131887581).

12725341475 is a wasteful number, since it uses less digits than its factorization.

12725341475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61916 (or 61911 counting only the distinct ones).

The product of its digits is 235200, while the sum is 41.

The spelling of 12725341475 in words is "twelve billion, seven hundred twenty-five million, three hundred forty-one thousand, four hundred seventy-five".

Divisors: 1 5 7 11 25 35 55 77 107 175 275 385 535 749 1177 1925 2675 3745 5885 8239 18725 29425 41195 61781 205975 308905 432467 679591 1544525 2162335 3397955 4757137 6610567 10811675 16989775 23785685 33052835 46273969 72716237 118928425 165264175 231369845 363581185 509013659 1156849225 1817905925 2545068295 12725341475