Search a number
-
+
125220010112 = 271951488491
BaseRepresentation
bin111010010011110110…
…0011011100010000000
3102222012210112121012022
41310213230123202000
54022422310310422
6133305243221012
712022032344531
oct1644754334200
9388183477168
10125220010112
1149118481a6a
1220327b17768
13ba677b8152
1460bc718688
1533cd3ba342
hex1d27b1b880

125220010112 has 32 divisors (see below), whose sum is σ = 262591309200. Its totient is φ = 59314740480.

The previous prime is 125220010109. The next prime is 125220010121. The reversal of 125220010112 is 211010022521.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25741814 + ... + 25746677.

Almost surely, 2125220010112 is an apocalyptic number.

It is an amenable number.

125220010112 is an abundant number, since it is smaller than the sum of its proper divisors (137371299088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125220010112 is an equidigital number, since it uses as much as digits as its factorization.

125220010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51488524 (or 51488512 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 125220010112 its reverse (211010022521), we get a palindrome (336230032633).

The spelling of 125220010112 in words is "one hundred twenty-five billion, two hundred twenty million, ten thousand, one hundred twelve".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 304 608 1216 2432 51488491 102976982 205953964 411907928 823815856 978281329 1647631712 1956562658 3295263424 3913125316 6590526848 7826250632 15652501264 31305002528 62610005056 125220010112