Search a number
-
+
1204152012 = 223274778381
BaseRepresentation
bin100011111000101…
…1110011011001100
310002220211021000200
41013301132123030
54431230331022
6315253053500
741561060160
oct10761363314
93086737020
101204152012
11568792258
12297327290
131626192ab
14b5cd0ca0
1570aaabac
hex47c5e6cc

1204152012 has 36 divisors (see below), whose sum is σ = 3478662096. Its totient is φ = 344043360.

The previous prime is 1204152011. The next prime is 1204152031. The reversal of 1204152012 is 2102514021.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-4 number, since 4×12041520124 (a number of 37 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1204152011) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2388939 + ... + 2389442.

Almost surely, 21204152012 is an apocalyptic number.

1204152012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1204152012 is an abundant number, since it is smaller than the sum of its proper divisors (2274510084).

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

1204152012 is a wasteful number, since it uses less digits than its factorization.

1204152012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4778398 (or 4778393 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1204152012 is about 34700.8935331642. The cubic root of 1204152012 is about 1063.8827614525.

Adding to 1204152012 its reverse (2102514021), we get a palindrome (3306666033).

The spelling of 1204152012 in words is "one billion, two hundred four million, one hundred fifty-two thousand, twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 4778381 9556762 14335143 19113524 28670286 33448667 43005429 57340572 66897334 86010858 100346001 133794668 172021716 200692002 301038003 401384004 602076006 1204152012