Search a number
-
+
124425000025 = 5214401345601
BaseRepresentation
bin111001111100001001…
…1101101010001011001
3102220011101120220101021
41303320103231101121
54014310300000100
6133054323322441
711663240023054
oct1637023552131
9386141526337
10124425000025
114884a73a137
1220145820421
13b96bb91591
146044ccba9b
1533836cba1a
hex1cf84ed459

124425000025 has 12 divisors (see below), whose sum is σ = 154298160124. Its totient is φ = 99532800000.

The previous prime is 124425000001. The next prime is 124425000031. The reversal of 124425000025 is 520000524421.

It can be written as a sum of positive squares in 6 ways, for example, as 7958041 + 124417041984 = 2821^2 + 352728^2 .

It is a de Polignac number, because none of the positive numbers 2k-124425000025 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187225 + ... + 532825.

Almost surely, 2124425000025 is an apocalyptic number.

It is an amenable number.

124425000025 is a deficient number, since it is larger than the sum of its proper divisors (29873160099).

124425000025 is a wasteful number, since it uses less digits than its factorization.

124425000025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360012 (or 360007 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 124425000025 its reverse (520000524421), we get a palindrome (644425524446).

The spelling of 124425000025 in words is "one hundred twenty-four billion, four hundred twenty-five million, twenty-five", and thus it is an aban number.

Divisors: 1 5 25 14401 72005 345601 360025 1728005 8640025 4977000001 24885000005 124425000025