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2129161333 = 13241167931
BaseRepresentation
bin111111011101000…
…0110110001110101
312111101101121021011
41332322012301311
513330031130313
6551135152221
7103522400305
oct17672066165
95441347234
102129161333
119a2946472
124b5075671
1327c15b1a0
14162abb605
15c6dc793d
hex7ee86c75

2129161333 has 8 divisors (see below), whose sum is σ = 2293927776. Its totient is φ = 1964535600.

The previous prime is 2129161319. The next prime is 2129161339. The reversal of 2129161333 is 3331619212.

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 2129161333 - 29 = 2129160821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2129161295 and 2129161304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129161339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2623 + ... + 65308.

It is an arithmetic number, because the mean of its divisors is an integer number (286740972).

Almost surely, 22129161333 is an apocalyptic number.

It is an amenable number.

2129161333 is a deficient number, since it is larger than the sum of its proper divisors (164766443).

2129161333 is a wasteful number, since it uses less digits than its factorization.

2129161333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70355.

The product of its digits is 5832, while the sum is 31.

The square root of 2129161333 is about 46142.8362045508. The cubic root of 2129161333 is about 1286.4794605871.

The spelling of 2129161333 in words is "two billion, one hundred twenty-nine million, one hundred sixty-one thousand, three hundred thirty-three".

Divisors: 1 13 2411 31343 67931 883103 163781641 2129161333