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2135430245 = 51332852773
BaseRepresentation
bin111111101001000…
…0001010001100101
312111211012002121002
41333102001101211
513333132231440
6551521403045
7103626600104
oct17722012145
95454162532
102135430245
119a6438393
124b7199485
132805446c0
1416387003b
15c7715115
hex7f481465

2135430245 has 8 divisors (see below), whose sum is σ = 2759633016. Its totient is φ = 1576933056.

The previous prime is 2135430223. The next prime is 2135430251. The reversal of 2135430245 is 5420345312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 296907361 + 1838522884 = 17231^2 + 42878^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2135430245 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, 16426322 + ... + 16426451.

It is an arithmetic number, because the mean of its divisors is an integer number (344954127).

Almost surely, 22135430245 is an apocalyptic number.

It is an amenable number.

2135430245 is a deficient number, since it is larger than the sum of its proper divisors (624202771).

2135430245 is a wasteful number, since it uses less digits than its factorization.

2135430245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32852791.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2135430245 is about 46210.7156945226. The cubic root of 2135430245 is about 1287.7408217636.

Adding to 2135430245 its reverse (5420345312), we get a palindrome (7555775557).

The spelling of 2135430245 in words is "two billion, one hundred thirty-five million, four hundred thirty thousand, two hundred forty-five".

Divisors: 1 5 13 65 32852773 164263865 427086049 2135430245