Search a number
-
+
125000124989 = 2322567240829
BaseRepresentation
bin111010001101010010…
…1101000101000111101
3102221122110210021111212
41310122211220220331
54022000012444424
6133231350254205
712013422350165
oct1643245505075
9387573707455
10125000124989
1149015348023
1220286357365
13ba3108aacc
14609b43b5a5
1533b8e3410e
hex1d1a968a3d

125000124989 has 8 divisors (see below), whose sum is σ = 130441234560. Its totient is φ = 119559542256.

The previous prime is 125000124983. The next prime is 125000125039. The reversal of 125000124989 is 989421000521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125000124989 - 236 = 56280648253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125000124983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398627 + ... + 639455.

It is an arithmetic number, because the mean of its divisors is an integer number (16305154320).

Almost surely, 2125000124989 is an apocalyptic number.

It is an amenable number.

125000124989 is a deficient number, since it is larger than the sum of its proper divisors (5441109571).

125000124989 is a wasteful number, since it uses less digits than its factorization.

125000124989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263419.

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 125000124989 in words is "one hundred twenty-five billion, one hundred twenty-four thousand, nine hundred eighty-nine".

Divisors: 1 23 22567 240829 519041 5539067 5434788043 125000124989