Search a number
-
+
25620551225425 = 5213210315881703
BaseRepresentation
bin1011101001101001111111…
…10110101101000001010001
310100201022010021012002221101
411310310333312231001101
511324231342103203200
6130253530241024401
75253011100123142
oct564647766550121
9110638107162841
1025620551225425
118188684270a12
122a59526925101
13113b01395c300
1464808145bac9
152e66b177726a
hex174d3fdad051

25620551225425 has 36 divisors (see below), whose sum is σ = 34434647809344. Its totient is φ = 18901437547200.

The previous prime is 25620551225371. The next prime is 25620551225453. The reversal of 25620551225425 is 52452215502652.

It is not a de Polignac number, because 25620551225425 - 229 = 25620014354513 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1415124 + ... + 7296826.

It is an arithmetic number, because the mean of its divisors is an integer number (956517994704).

Almost surely, 225620551225425 is an apocalyptic number.

25620551225425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25620551225425 is a deficient number, since it is larger than the sum of its proper divisors (8814096583919).

25620551225425 is a wasteful number, since it uses less digits than its factorization.

25620551225425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882770 (or 5882752 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 46.

The spelling of 25620551225425 in words is "twenty-five trillion, six hundred twenty billion, five hundred fifty-one million, two hundred twenty-five thousand, four hundred twenty-five".

Divisors: 1 5 13 25 65 169 325 845 1031 4225 5155 13403 25775 67015 174239 335075 871195 4355975 5881703 29408515 76462139 147042575 382310695 994007807 1911553475 4970039035 6064035793 24850195175 30320178965 78832465309 151600894825 394162326545 1024822049017 1970811632725 5124110245085 25620551225425