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125312522025 = 35217220744533
BaseRepresentation
bin111010010110100110…
…1010101011100101001
3102222110020121200200110
41310231031111130221
54023120001201100
6133322350124533
712024234601545
oct1645515253451
9388406550613
10125312522025
1149165719599
1220352ab0749
13ba80a09522
1460cab1aa25
1533d6591250
hex1d2d355729

125312522025 has 48 divisors (see below), whose sum is σ = 219474952704. Its totient is φ = 62872058880.

The previous prime is 125312522017. The next prime is 125312522033. The reversal of 125312522025 is 520225213521.

It is an interprime number because it is at equal distance from previous prime (125312522017) and next prime (125312522033).

It is not a de Polignac number, because 125312522025 - 23 = 125312522017 is a prime.

It is a super-3 number, since 3×1253125220253 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 125312521983 and 125312522001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2791659 + ... + 2836191.

It is an arithmetic number, because the mean of its divisors is an integer number (4572394848).

Almost surely, 2125312522025 is an apocalyptic number.

125312522025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125312522025 is a deficient number, since it is larger than the sum of its proper divisors (94162430679).

125312522025 is a wasteful number, since it uses less digits than its factorization.

125312522025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46770 (or 46765 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 125312522025 its reverse (520225213521), we get a palindrome (645537735546).

The spelling of 125312522025 in words is "one hundred twenty-five billion, three hundred twelve million, five hundred twenty-two thousand, twenty-five".

Divisors: 1 3 5 15 17 25 51 75 85 255 425 1275 2207 6621 11035 33105 37519 44533 55175 112557 133599 165525 187595 222665 562785 667995 757061 937975 1113325 2271183 2813925 3339975 3785305 11355915 18926525 56779575 98284331 294852993 491421655 1474264965 1670833627 2457108275 5012500881 7371324825 8354168135 25062504405 41770840675 125312522025