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1213133006 = 25379317457
BaseRepresentation
bin100100001001110…
…1111000011001110
310010112201112122002
41020103233003032
54441030224011
6320213352302
742030313631
oct11023570316
93115645562
101213133006
11572866868
1229a338692
131644420a7
14b718bc18
1571781c3b
hex484ef0ce

1213133006 has 32 divisors (see below), whose sum is σ = 1887546240. Its totient is φ = 584453376.

The previous prime is 1213132993. The next prime is 1213133029. The reversal of 1213133006 is 6003313121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2654330 + ... + 2654786.

It is an arithmetic number, because the mean of its divisors is an integer number (58985820).

Almost surely, 21213133006 is an apocalyptic number.

1213133006 is a deficient number, since it is larger than the sum of its proper divisors (674413234).

1213133006 is a wasteful number, since it uses less digits than its factorization.

1213133006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1213133006 is about 34830.0589433897. The cubic root of 1213133006 is about 1066.5211516124.

Adding to 1213133006 its reverse (6003313121), we get a palindrome (7216446127).

The spelling of 1213133006 in words is "one billion, two hundred thirteen million, one hundred thirty-three thousand, six".

Divisors: 1 2 53 79 106 158 317 457 634 914 4187 8374 16801 24221 25043 33602 36103 48442 50086 72206 144869 289738 1327279 1913459 2654558 3826918 7678057 11444651 15356114 22889302 606566503 1213133006