Search a number
-
+
125241212 = 221011512053
BaseRepresentation
bin1110111011100…
…00011101111100
322201122220122102
413131300131330
5224030204322
620232204232
73050350505
oct735603574
9281586572
10125241212
1164771638
1235b39678
131cc40735
14128c1bac
15aedd792
hex777077c

125241212 has 24 divisors (see below), whose sum is σ = 222916512. Its totient is φ = 61560000.

The previous prime is 125241203. The next prime is 125241251. The reversal of 125241212 is 212142521.

It is a super-2 number, since 2×1252412122 = 31370722366457888, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 59978 + ... + 62030.

It is an arithmetic number, because the mean of its divisors is an integer number (9288188).

Almost surely, 2125241212 is an apocalyptic number.

It is an amenable number.

125241212 is a deficient number, since it is larger than the sum of its proper divisors (97675300).

125241212 is a wasteful number, since it uses less digits than its factorization.

125241212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309 (or 2307 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 125241212 is about 11191.1220170276. The cubic root of 125241212 is about 500.3214093478.

Adding to 125241212 its reverse (212142521), we get a palindrome (337383733).

The spelling of 125241212 in words is "one hundred twenty-five million, two hundred forty-one thousand, two hundred twelve".

Divisors: 1 2 4 101 151 202 302 404 604 2053 4106 8212 15251 30502 61004 207353 310003 414706 620006 829412 1240012 31310303 62620606 125241212