Search a number
-
+
2500900125 = 3536669067
BaseRepresentation
bin1001010100010000…
…1011010100011101
320110021212220000120
42111010023110131
520110212301000
61052054545153
7115655205003
oct22504132435
96407786016
102500900125
111073769309
125996681b9
1330b186079
1419a206a73
15e98576a0
hex9510b51d

2500900125 has 16 divisors (see below), whose sum is σ = 4161498432. Its totient is φ = 1333813200.

The previous prime is 2500900123. The next prime is 2500900133. The reversal of 2500900125 is 5210090052.

It is not a de Polignac number, because 2500900125 - 21 = 2500900123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2500900095 and 2500900104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500900123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3334159 + ... + 3334908.

It is an arithmetic number, because the mean of its divisors is an integer number (260093652).

Almost surely, 22500900125 is an apocalyptic number.

2500900125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2500900125 is a deficient number, since it is larger than the sum of its proper divisors (1660598307).

2500900125 is an equidigital number, since it uses as much as digits as its factorization.

2500900125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6669085 (or 6669075 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 2500900125 is about 50009.0004399208. Note that the first 3 decimals coincide. The cubic root of 2500900125 is about 1357.3716764293.

Adding to 2500900125 its reverse (5210090052), we get a palindrome (7710990177).

The spelling of 2500900125 in words is "two billion, five hundred million, nine hundred thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 6669067 20007201 33345335 100036005 166726675 500180025 833633375 2500900125