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1230024213 = 321112424487
BaseRepresentation
bin100100101010000…
…1010111000010101
310011201111201000100
41021110022320111
510004341233323
6322015404313
742324014265
oct11124127025
93151451010
101230024213
11581353440
122a3b23699
13167aa74a2
14b95077a5
1572ebb943
hex4950ae15

1230024213 has 12 divisors (see below), whose sum is σ = 1938220128. Its totient is φ = 745469160.

The previous prime is 1230024197. The next prime is 1230024221. The reversal of 1230024213 is 3124200321.

It is not a de Polignac number, because 1230024213 - 24 = 1230024197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230024253) 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 11 ways as a sum of consecutive naturals, for example, 6212145 + ... + 6212342.

It is an arithmetic number, because the mean of its divisors is an integer number (161518344).

Almost surely, 21230024213 is an apocalyptic number.

It is an amenable number.

1230024213 is a deficient number, since it is larger than the sum of its proper divisors (708195915).

1230024213 is a wasteful number, since it uses less digits than its factorization.

1230024213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12424504 (or 12424501 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1230024213 is about 35071.7010280368. The cubic root of 1230024213 is about 1071.4483002158.

Adding to 1230024213 its reverse (3124200321), we get a palindrome (4354224534).

The spelling of 1230024213 in words is "one billion, two hundred thirty million, twenty-four thousand, two hundred thirteen".

Divisors: 1 3 9 11 33 99 12424487 37273461 111820383 136669357 410008071 1230024213