Search a number
-
+
125050050521 = 1126731425281
BaseRepresentation
bin111010001110110010…
…0000101011111011001
3102221202221201202110122
41310131210011133121
54022100303104041
6133240332323025
712014566614524
oct1643544053731
9387687652418
10125050050521
11490405478a0
122029b013475
13ba3b51b346
1460a3d15bbb
1533bd4e6c4b
hex1d1d9057d9

125050050521 has 8 divisors (see below), whose sum is σ = 136423661088. Its totient is φ = 113677344000.

The previous prime is 125050050493. The next prime is 125050050529.

125050050521 is nontrivially palindromic in base 10.

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

It is a de Polignac number, because none of the positive numbers 2k-125050050521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125050050529) 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, 81401 + ... + 506681.

It is an arithmetic number, because the mean of its divisors is an integer number (17052957636).

Almost surely, 2125050050521 is an apocalyptic number.

125050050521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125050050521 is a deficient number, since it is larger than the sum of its proper divisors (11373610567).

125050050521 is a wasteful number, since it uses less digits than its factorization.

125050050521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452023.

The product of its (nonzero) digits is 2500, while the sum is 26.

The spelling of 125050050521 in words is "one hundred twenty-five billion, fifty million, fifty thousand, five hundred twenty-one".

Divisors: 1 11 26731 294041 425281 4678091 11368186411 125050050521