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1230213103 = 71242114149
BaseRepresentation
bin100100101010011…
…1000111111101111
310011201212022010021
41021110320333233
510004413304403
6322023423011
742325432060
oct11124707757
93151768107
101230213103
11581472349
122a3bb4a67
13167b42462
14b9556567
15730078bd
hex49538fef

1230213103 has 8 divisors (see below), whose sum is σ = 1406170400. Its totient is φ = 1054308960.

The previous prime is 1230213079. The next prime is 1230213137. The reversal of 1230213103 is 3013120321.

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 1230213103 - 217 = 1230082031 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 (1230213403) 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, 79873 + ... + 94021.

It is an arithmetic number, because the mean of its divisors is an integer number (175771300).

Almost surely, 21230213103 is an apocalyptic number.

1230213103 is a deficient number, since it is larger than the sum of its proper divisors (175957297).

1230213103 is a wasteful number, since it uses less digits than its factorization.

1230213103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26577.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1230213103 is about 35074.3938365298. The cubic root of 1230213103 is about 1071.5031434479.

Adding to 1230213103 its reverse (3013120321), we get a palindrome (4243333424).

The spelling of 1230213103 in words is "one billion, two hundred thirty million, two hundred thirteen thousand, one hundred three".

Divisors: 1 7 12421 14149 86947 99043 175744729 1230213103