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12835302145 = 523477573137
BaseRepresentation
bin10111111010000101…
…10010101100000001
31020010111212220110221
423331002302230001
5202241314132040
65521345023041
7633033160651
oct137502625401
936114786427
1012835302145
115497214526
1225a2624a81
131297227b53
1489a936361
15501c6c74a
hex2fd0b2b01

12835302145 has 32 divisors (see below), whose sum is σ = 16440910848. Its totient is φ = 9597063168.

The previous prime is 12835302121. The next prime is 12835302163. The reversal of 12835302145 is 54120353821.

It is not a de Polignac number, because 12835302145 - 211 = 12835300097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12835302145.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4090017 + ... + 4093153.

It is an arithmetic number, because the mean of its divisors is an integer number (513778464).

Almost surely, 212835302145 is an apocalyptic number.

It is an amenable number.

12835302145 is a deficient number, since it is larger than the sum of its proper divisors (3605608703).

12835302145 is a wasteful number, since it uses less digits than its factorization.

12835302145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 12835302145 its reverse (54120353821), we get a palindrome (66955655966).

The spelling of 12835302145 in words is "twelve billion, eight hundred thirty-five million, three hundred two thousand, one hundred forty-five".

Divisors: 1 5 23 47 115 235 757 1081 3137 3785 5405 15685 17411 35579 72151 87055 147439 177895 360755 737195 818317 2374709 3391097 4091585 11873545 16955485 54618307 111611323 273091535 558056615 2567060429 12835302145