Search a number
-
+
1210313012 = 22302578253
BaseRepresentation
bin100100000100011…
…1110100100110100
310010100102021022212
41020020332210310
54434320004022
6320033112552
741664330236
oct11010764464
93110367285
101210313012
11571210097
122993b8758
1316399565c
14b6a56256
15713c63e2
hex4823e934

1210313012 has 6 divisors (see below), whose sum is σ = 2118047778. Its totient is φ = 605156504.

The previous prime is 1210313009. The next prime is 1210313051. The reversal of 1210313012 is 2103130121.

It can be written as a sum of positive squares in only one way, i.e., 981819556 + 228493456 = 31334^2 + 15116^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 151289123 + ... + 151289130.

It is an arithmetic number, because the mean of its divisors is an integer number (353007963).

Almost surely, 21210313012 is an apocalyptic number.

It is an amenable number.

1210313012 is a deficient number, since it is larger than the sum of its proper divisors (907734766).

1210313012 is a wasteful number, since it uses less digits than its factorization.

1210313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302578257 (or 302578255 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1210313012 is about 34789.5532020749. The cubic root of 1210313012 is about 1065.6941148741.

Adding to 1210313012 its reverse (2103130121), we get a palindrome (3313443133).

The spelling of 1210313012 in words is "one billion, two hundred ten million, three hundred thirteen thousand, twelve".

Divisors: 1 2 4 302578253 605156506 1210313012