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1213230002 = 21289470609
BaseRepresentation
bin100100001010000…
…0110101110110010
310010112220110200112
41020110012232302
54441041330002
6320215421322
742031166465
oct11024065662
93115813615
101213230002
11572922726
1229a384842
1316447729a
14b71b52dc
15717a0852
hex48506bb2

1213230002 has 8 divisors (see below), whose sum is σ = 1821260700. Its totient is φ = 606143104.

The previous prime is 1213229999. The next prime is 1213230017. The reversal of 1213230002 is 2000323121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1168887721 + 44342281 = 34189^2 + 6659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 232727 + ... + 237882.

Almost surely, 21213230002 is an apocalyptic number.

1213230002 is a deficient number, since it is larger than the sum of its proper divisors (608030698).

1213230002 is a wasteful number, since it uses less digits than its factorization.

1213230002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471900.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1213230002 is about 34831.4513335290. The cubic root of 1213230002 is about 1066.5495754066.

Adding to 1213230002 its reverse (2000323121), we get a palindrome (3213553123).

The spelling of 1213230002 in words is "one billion, two hundred thirteen million, two hundred thirty thousand, two".