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1250125010 = 25125012501
BaseRepresentation
bin100101010000011…
…0110010011010010
310020010022221010022
41022200312103102
510030013000020
6324014303442
742656613221
oct11240662322
93203287108
101250125010
11591732472
122aa7b7b82
1316bcc4754
14bc05acb8
1574b3c625
hex4a8364d2

1250125010 has 8 divisors (see below), whose sum is σ = 2250225036. Its totient is φ = 500050000.

The previous prime is 1250124983. The next prime is 1250125013. The reversal of 1250125010 is 105210521.

It can be written as a sum of positive squares in 2 ways, for example, as 1211944969 + 38180041 = 34813^2 + 6179^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 1250125010.

It is not an unprimeable number, because it can be changed into a prime (1250125013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62506241 + ... + 62506260.

Almost surely, 21250125010 is an apocalyptic number.

1250125010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1250125010 is a deficient number, since it is larger than the sum of its proper divisors (1000100026).

1250125010 is a wasteful number, since it uses less digits than its factorization.

1250125010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125012508.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 1250125010 is about 35357.1069235027. The cubic root of 1250125010 is about 1077.2532539363.

Adding to 1250125010 its reverse (105210521), we get a palindrome (1355335531).

The spelling of 1250125010 in words is "one billion, two hundred fifty million, one hundred twenty-five thousand, ten".

Divisors: 1 2 5 10 125012501 250025002 625062505 1250125010