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25341125405 = 517417290993
BaseRepresentation
bin10111100110011100…
…101110001100011101
32102102001210112220012
4113212130232030131
5403344312003110
615350324133005
71554656004041
oct274634561435
972361715805
1025341125405
11a82444a652
124ab2837165
13250b10317b
1413257c4021
159d4b06905
hex5e672e31d

25341125405 has 8 divisors (see below), whose sum is σ = 30411200952. Its totient is φ = 20271666688.

The previous prime is 25341125399. The next prime is 25341125423. The reversal of 25341125405 is 50452114352.

It can be written as a sum of positive squares in 4 ways, for example, as 6721704196 + 18619421209 = 81986^2 + 136453^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 25341125405 - 28 = 25341125149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58412 + ... + 232581.

It is an arithmetic number, because the mean of its divisors is an integer number (3801400119).

Almost surely, 225341125405 is an apocalyptic number.

It is an amenable number.

25341125405 is a deficient number, since it is larger than the sum of its proper divisors (5070075547).

25341125405 is a wasteful number, since it uses less digits than its factorization.

25341125405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308415.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 25341125405 its reverse (50452114352), we get a palindrome (75793239757).

The spelling of 25341125405 in words is "twenty-five billion, three hundred forty-one million, one hundred twenty-five thousand, four hundred five".

Divisors: 1 5 17417 87085 290993 1454965 5068225081 25341125405