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1211210006 = 2990761129
BaseRepresentation
bin100100000110001…
…1001100100010110
310010102002211202212
41020030121210112
54440032210011
6320104233422
742005054336
oct11014314426
93112084685
101211210006
11571773006
1229976b872
13163c1aa16
14b6c0b0c6
157150208b
hex48319916

1211210006 has 8 divisors (see below), whose sum is σ = 1817028120. Its totient is φ = 605533968.

The previous prime is 1211209973. The next prime is 1211210009. The reversal of 1211210006 is 6000121121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211210009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10751 + ... + 50378.

It is an arithmetic number, because the mean of its divisors is an integer number (227128515).

Almost surely, 21211210006 is an apocalyptic number.

1211210006 is a deficient number, since it is larger than the sum of its proper divisors (605818114).

1211210006 is an equidigital number, since it uses as much as digits as its factorization.

1211210006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71038.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1211210006 is about 34802.4425292249. The cubic root of 1211210006 is about 1065.9573209378.

Adding to 1211210006 its reverse (6000121121), we get a palindrome (7211331127).

The spelling of 1211210006 in words is "one billion, two hundred eleven million, two hundred ten thousand, six".

Divisors: 1 2 9907 19814 61129 122258 605605003 1211210006