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125130144 = 2531303439
BaseRepresentation
bin1110111010101…
…01010110100000
322201110021021210
413131111112200
5224013131034
620225550120
73046405626
oct735252640
9281407253
10125130144
11646a6147
1235aa5340
131cc02009
1412893516
15aeba8e9
hex77555a0

125130144 has 24 divisors (see below), whose sum is σ = 328466880. Its totient is φ = 41710016.

The previous prime is 125130139. The next prime is 125130169. The reversal of 125130144 is 441031521.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 125130144.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651624 + ... + 651815.

It is an arithmetic number, because the mean of its divisors is an integer number (13686120).

Almost surely, 2125130144 is an apocalyptic number.

It is an amenable number.

125130144 is an abundant number, since it is smaller than the sum of its proper divisors (203336736).

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

125130144 is a wasteful number, since it uses less digits than its factorization.

125130144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303452 (or 1303444 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 125130144 is about 11186.1585899718. The cubic root of 125130144 is about 500.1734651461.

Adding to 125130144 its reverse (441031521), we get a palindrome (566161665).

The spelling of 125130144 in words is "one hundred twenty-five million, one hundred thirty thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1303439 2606878 3910317 5213756 7820634 10427512 15641268 20855024 31282536 41710048 62565072 125130144