Search a number
-
+
125306252215 = 5157159625799
BaseRepresentation
bin111010010110011010…
…1011010101110110111
3102222102210211011010021
41310230311122232313
54023111400032330
6133322003510011
712024130366324
oct1645465325667
9388383734107
10125306252215
1149162126a31
1220350988307
13ba7c622791
1460c9d67b4b
1533d5c5367a
hex1d2cd5abb7

125306252215 has 8 divisors (see below), whose sum is σ = 151325258400. Its totient is φ = 99606497952.

The previous prime is 125306252213. The next prime is 125306252243. The reversal of 125306252215 is 512252603521.

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 125306252215 - 21 = 125306252213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125306252213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79812115 + ... + 79813684.

It is an arithmetic number, because the mean of its divisors is an integer number (18915657300).

Almost surely, 2125306252215 is an apocalyptic number.

125306252215 is a deficient number, since it is larger than the sum of its proper divisors (26019006185).

125306252215 is a wasteful number, since it uses less digits than its factorization.

125306252215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159625961.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 125306252215 its reverse (512252603521), we get a palindrome (637558855736).

The spelling of 125306252215 in words is "one hundred twenty-five billion, three hundred six million, two hundred fifty-two thousand, two hundred fifteen".

Divisors: 1 5 157 785 159625799 798128995 25061250443 125306252215