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1230134433 = 3111710920117
BaseRepresentation
bin100100101010010…
…0101110010100001
310011201201022012120
41021110211302201
510004403300213
6322022014453
742324653523
oct11124456241
93151638176
101230134433
11581419230
122a3b77429
13167b156c8
14b9535a13
1572ede423
hex49525ca1

1230134433 has 32 divisors (see below), whose sum is σ = 1912014720. Its totient is φ = 695208960.

The previous prime is 1230134417. The next prime is 1230134447. The reversal of 1230134433 is 3344310321.

It is not a de Polignac number, because 1230134433 - 24 = 1230134417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1230134473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51091 + ... + 71207.

It is an arithmetic number, because the mean of its divisors is an integer number (59750460).

Almost surely, 21230134433 is an apocalyptic number.

It is an amenable number.

1230134433 is a deficient number, since it is larger than the sum of its proper divisors (681880287).

1230134433 is a wasteful number, since it uses less digits than its factorization.

1230134433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20257.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 1230134433 is about 35073.2723451919. The cubic root of 1230134433 is about 1071.4803027035.

Adding to 1230134433 its reverse (3344310321), we get a palindrome (4574444754).

The spelling of 1230134433 in words is "one billion, two hundred thirty million, one hundred thirty-four thousand, four hundred thirty-three".

Divisors: 1 3 11 17 33 51 109 187 327 561 1199 1853 3597 5559 20117 20383 60351 61149 221287 341989 663861 1025967 2192753 3761879 6578259 11285637 24120283 37276801 72360849 111830403 410044811 1230134433