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1230300133 = 43891512129
BaseRepresentation
bin100100101010100…
…1110001111100101
310011202000201111121
41021111032033211
510004424101013
6322025333541
742326243566
oct11125161745
93152021447
101230300133
11581521777
122a40372b1
13167b72c5a
14b957a16d
157302358d
hex4954e3e5

1230300133 has 16 divisors (see below), whose sum is σ = 1282089600. Its totient is φ = 1179763200.

The previous prime is 1230300121. The next prime is 1230300151. The reversal of 1230300133 is 3310030321.

It is a cyclic number.

It is not a de Polignac number, because 1230300133 - 225 = 1196745701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230300233) 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, 576813 + ... + 578941.

It is an arithmetic number, because the mean of its divisors is an integer number (80130600).

Almost surely, 21230300133 is an apocalyptic number.

It is an amenable number.

1230300133 is a deficient number, since it is larger than the sum of its proper divisors (51789467).

1230300133 is a wasteful number, since it uses less digits than its factorization.

1230300133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1230300133 is about 35075.6344632567. The cubic root of 1230300133 is about 1071.5284102681.

Adding to 1230300133 its reverse (3310030321), we get a palindrome (4540330454).

The spelling of 1230300133 in words is "one billion, two hundred thirty million, three hundred thousand, one hundred thirty-three".

Divisors: 1 43 89 151 2129 3827 6493 13439 91547 189481 321479 577877 8147683 13823597 28611631 1230300133