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1230144214 = 213291631491
BaseRepresentation
bin100100101010010…
…1000001011010110
310011201201210121211
41021110220023112
510004404103324
6322022132034
742325024165
oct11124501326
93151653554
101230144214
11581425612
122a3b8101a
13167b19cb0
14b95393dc
1572ee2294
hex495282d6

1230144214 has 16 divisors (see below), whose sum is σ = 2055679920. Its totient is φ = 548180640.

The previous prime is 1230144193. The next prime is 1230144241. The reversal of 1230144214 is 4124410321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 814992 + ... + 816499.

It is an arithmetic number, because the mean of its divisors is an integer number (128479995).

Almost surely, 21230144214 is an apocalyptic number.

1230144214 is a deficient number, since it is larger than the sum of its proper divisors (825535706).

1230144214 is a wasteful number, since it uses less digits than its factorization.

1230144214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631535.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1230144214 is about 35073.4117815761. The cubic root of 1230144214 is about 1071.4831425343.

Adding to 1230144214 its reverse (4124410321), we get a palindrome (5354554535).

The spelling of 1230144214 in words is "one billion, two hundred thirty million, one hundred forty-four thousand, two hundred fourteen".

Divisors: 1 2 13 26 29 58 377 754 1631491 3262982 21209383 42418766 47313239 94626478 615072107 1230144214