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2005429011 = 31997333469
BaseRepresentation
bin111011110001000…
…0110101100010011
312011202120100102120
41313202012230103
513101342212021
6530555145323
7100460602545
oct16742065423
95152510376
102005429011
1193a015553
1247b745243
1325c6284b1
141504ad695
15bb0d62c6
hex77886b13

2005429011 has 8 divisors (see below), whose sum is σ = 2674119120. Its totient is φ = 1336845792.

The previous prime is 2005429001. The next prime is 2005429031. The reversal of 2005429011 is 1109245002.

2005429011 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2005429011 - 211 = 2005426963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2005429001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43185 + ... + 76653.

It is an arithmetic number, because the mean of its divisors is an integer number (334264890).

Almost surely, 22005429011 is an apocalyptic number.

2005429011 is a deficient number, since it is larger than the sum of its proper divisors (668690109).

2005429011 is a wasteful number, since it uses less digits than its factorization.

2005429011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53445.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 2005429011 is about 44782.0166026498. The cubic root of 2005429011 is about 1261.0600407899.

The spelling of 2005429011 in words is "two billion, five million, four hundred twenty-nine thousand, eleven".

Divisors: 1 3 19973 33469 59919 100407 668476337 2005429011