Search a number
-
+
102425000045 = 520485000009
BaseRepresentation
bin101111101100100000…
…0010111100001101101
3100210101011201002221012
41133121000113201231
53134231300000140
6115015311115005
710254121064324
oct1373100274155
9323334632835
10102425000045
113a490273575
1217a25b12a65
13987403c604
144d5914b0bb
1529e709d265
hex17d901786d

102425000045 has 4 divisors (see below), whose sum is σ = 122910000060. Its totient is φ = 81940000032.

The previous prime is 102425000039. The next prime is 102425000077. The reversal of 102425000045 is 540000524201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540000524201 = 727742779263.

It can be written as a sum of positive squares in 2 ways, for example, as 71902813609 + 30522186436 = 268147^2 + 174706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102425000045 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10242500000 + ... + 10242500009.

It is an arithmetic number, because the mean of its divisors is an integer number (30727500015).

Almost surely, 2102425000045 is an apocalyptic number.

It is an amenable number.

102425000045 is a deficient number, since it is larger than the sum of its proper divisors (20485000015).

102425000045 is an equidigital number, since it uses as much as digits as its factorization.

102425000045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20485000014.

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 102425000045 its reverse (540000524201), we get a palindrome (642425524246).

The spelling of 102425000045 in words is "one hundred two billion, four hundred twenty-five million, forty-five", and thus it is an aban number.

Divisors: 1 5 20485000009 102425000045