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125041312 = 25111093259
BaseRepresentation
bin1110111001111…
…11101010100000
322201021202102201
413130333222200
5224002310222
620224022544
73045555634
oct734775240
9281252381
10125041312
1164645430
1235a61a54
131cba0756
141286cdc4
15ae9e427
hex773faa0

125041312 has 48 divisors (see below), whose sum is σ = 271101600. Its totient is φ = 56298240.

The previous prime is 125041283. The next prime is 125041313. The reversal of 125041312 is 213140521.

It is a self number, because there is not a number n which added to its sum of digits gives 125041312.

It is not an unprimeable number, because it can be changed into a prime (125041313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36739 + ... + 39997.

It is an arithmetic number, because the mean of its divisors is an integer number (5647950).

Almost surely, 2125041312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125041312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135550800).

125041312 is an abundant number, since it is smaller than the sum of its proper divisors (146060288).

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

125041312 is a wasteful number, since it uses less digits than its factorization.

125041312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3389 (or 3381 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 125041312 is about 11182.1872636797. The cubic root of 125041312 is about 500.0550765996.

Adding to 125041312 its reverse (213140521), we get a palindrome (338181833).

The spelling of 125041312 in words is "one hundred twenty-five million, forty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 88 109 176 218 352 436 872 1199 1744 2398 3259 3488 4796 6518 9592 13036 19184 26072 35849 38368 52144 71698 104288 143396 286792 355231 573584 710462 1147168 1420924 2841848 3907541 5683696 7815082 11367392 15630164 31260328 62520656 125041312