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1212345006 = 23892270309
BaseRepresentation
bin100100001000010…
…1110101010101110
310010111020111200220
41020100232222232
54440330020011
6320144432210
742020522355
oct11020565256
93114214626
101212345006
11572378824
1229a018666
13164227512
14b702499c
1571678506
hex4842eaae

1212345006 has 16 divisors (see below), whose sum is σ = 2451934800. Its totient is φ = 399574208.

The previous prime is 1212344941. The next prime is 1212345037. The reversal of 1212345006 is 6005432121.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134621 + ... + 1135688.

It is an arithmetic number, because the mean of its divisors is an integer number (153245925).

Almost surely, 21212345006 is an apocalyptic number.

1212345006 is an abundant number, since it is smaller than the sum of its proper divisors (1239589794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212345006 is a wasteful number, since it uses less digits than its factorization.

1212345006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270403.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1212345006 is about 34818.7450376949. The cubic root of 1212345006 is about 1066.2901792194.

Adding to 1212345006 its reverse (6005432121), we get a palindrome (7217777127).

The spelling of 1212345006 in words is "one billion, two hundred twelve million, three hundred forty-five thousand, six".

Divisors: 1 2 3 6 89 178 267 534 2270309 4540618 6810927 13621854 202057501 404115002 606172503 1212345006