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12045154211 = 172357153951
BaseRepresentation
bin10110011011111001…
…00111011110100011
31011002110002020021122
423031330213132203
5144132024413321
65311121242455
7604330056446
oct131574473643
934073066248
1012045154211
1151211a2702
122401a9342b
13119c6143ac
14823a1365d
154a76de8ab
hex2cdf277a3

12045154211 has 16 divisors (see below), whose sum is σ = 13331755008. Its totient is φ = 10824528000.

The previous prime is 12045154193. The next prime is 12045154217. The reversal of 12045154211 is 11245154021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12045154211 - 210 = 12045153187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12045154217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196286 + ... + 250236.

It is an arithmetic number, because the mean of its divisors is an integer number (833234688).

Almost surely, 212045154211 is an apocalyptic number.

12045154211 is a deficient number, since it is larger than the sum of its proper divisors (1286600797).

12045154211 is a wasteful number, since it uses less digits than its factorization.

12045154211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54562.

The product of its (nonzero) digits is 1600, while the sum is 26.

The spelling of 12045154211 in words is "twelve billion, forty-five million, one hundred fifty-four thousand, two hundred eleven".

Divisors: 1 17 23 391 571 9707 13133 53951 223261 917167 1240873 21094841 30806021 523702357 708538483 12045154211