Search a number
-
+
1312144204 = 227232037491
BaseRepresentation
bin100111000110101…
…1011101101001100
310101110000211110111
41032031123231030
510141402103304
6334111445404
744342020210
oct11615335514
93343024414
101312144204
116137423a8
12307526864
1317baca7b7
14c63a2940
157a2dd704
hex4e35bb4c

1312144204 has 24 divisors (see below), whose sum is σ = 2738389248. Its totient is φ = 537897360.

The previous prime is 1312144193. The next prime is 1312144219. The reversal of 1312144204 is 4024412131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018102 + ... + 1019389.

It is an arithmetic number, because the mean of its divisors is an integer number (114099552).

Almost surely, 21312144204 is an apocalyptic number.

1312144204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1312144204 is an abundant number, since it is smaller than the sum of its proper divisors (1426245044).

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

1312144204 is a wasteful number, since it uses less digits than its factorization.

1312144204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037525 (or 2037523 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1312144204 is about 36223.5310813289. The cubic root of 1312144204 is about 1094.7808417202.

Adding to 1312144204 its reverse (4024412131), we get a palindrome (5336556335).

The spelling of 1312144204 in words is "one billion, three hundred twelve million, one hundred forty-four thousand, two hundred four".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 2037491 4074982 8149964 14262437 28524874 46862293 57049748 93724586 187449172 328036051 656072102 1312144204