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25225125430103 = 95872926311007
BaseRepresentation
bin1011011110001001011101…
…01001000000001101010111
310022022111110100210102010122
411233010232221000031113
511301242024102230403
6125352132421542155
75212312060250624
oct557045651001527
9108274410712118
1025225125430103
118045a08762265
1229b496b57495b
13110c946ba9071
14632c8c99d34b
152db26b728838
hex16f12ea40357

25225125430103 has 4 divisors (see below), whose sum is σ = 25225152699840. Its totient is φ = 25225098160368.

The previous prime is 25225125430097. The next prime is 25225125430111. The reversal of 25225125430103 is 30103452152252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25225125430103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25225125430163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12196775 + ... + 14114232.

It is an arithmetic number, because the mean of its divisors is an integer number (6306288174960).

Almost surely, 225225125430103 is an apocalyptic number.

25225125430103 is a deficient number, since it is larger than the sum of its proper divisors (27269737).

25225125430103 is an equidigital number, since it uses as much as digits as its factorization.

25225125430103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27269736.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 25225125430103 its reverse (30103452152252), we get a palindrome (55328577582355).

The spelling of 25225125430103 in words is "twenty-five trillion, two hundred twenty-five billion, one hundred twenty-five million, four hundred thirty thousand, one hundred three".

Divisors: 1 958729 26311007 25225125430103