Search a number
-
+
1210214012 = 22743221929
BaseRepresentation
bin100100000100010…
…0110011001111100
310010100020020112012
41020020212121330
54434303322022
6320031030352
741663435510
oct11010463174
93110206465
101210214012
11571152777
1229936b3b8
1316395c587
14b6a2c140
15713a6de2
hex4822667c

1210214012 has 12 divisors (see below), whose sum is σ = 2420428080. Its totient is φ = 518663136.

The previous prime is 1210214011. The next prime is 1210214081. The reversal of 1210214012 is 2104120121.

It is a happy number.

1210214012 is an admirable number.

It is a super-2 number, since 2×12102140122 = 2929235909682272288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210214011) by changing a digit.

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, 21610937 + ... + 21610992.

It is an arithmetic number, because the mean of its divisors is an integer number (201702340).

Almost surely, 21210214012 is an apocalyptic number.

It is an amenable number.

1210214012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1210214012 is a wasteful number, since it uses less digits than its factorization.

1210214012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43221940 (or 43221938 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1210214012 is about 34788.1303320544. The cubic root of 1210214012 is about 1065.6650572135.

Adding to 1210214012 its reverse (2104120121), we get a palindrome (3314334133).

The spelling of 1210214012 in words is "one billion, two hundred ten million, two hundred fourteen thousand, twelve".

Divisors: 1 2 4 7 14 28 43221929 86443858 172887716 302553503 605107006 1210214012