Search a number
-
+
1210930212 = 223103979717
BaseRepresentation
bin100100000101101…
…0101010000100100
310010101120121222010
41020023111100210
54434444231322
6320054234220
742002510532
oct11013252044
93111517863
101210930212
115715a1878
12299655970
13163b5056b
14b6b77152
157149920c
hex482d5424

1210930212 has 24 divisors (see below), whose sum is σ = 2852938816. Its totient is φ = 399724128.

The previous prime is 1210930207. The next prime is 1210930229. The reversal of 1210930212 is 2120390121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488623 + ... + 491094.

Almost surely, 21210930212 is an apocalyptic number.

1210930212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210930212 is an abundant number, since it is smaller than the sum of its proper divisors (1642008604).

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

1210930212 is a wasteful number, since it uses less digits than its factorization.

1210930212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979827 (or 979825 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1210930212 is about 34798.4225504548. The cubic root of 1210930212 is about 1065.8752345863.

The spelling of 1210930212 in words is "one billion, two hundred ten million, nine hundred thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 103 206 309 412 618 1236 979717 1959434 2939151 3918868 5878302 11756604 100910851 201821702 302732553 403643404 605465106 1210930212