Search a number
-
+
16343203136 = 261321511021
BaseRepresentation
bin11110011100010000…
…10111110101000000
31120011222121201222212
433032020113311000
5231432330000021
611301415321252
71115666635361
oct171610276500
946158551885
1016343203136
116a27348457
123201380228
131705bcc800
14b1078db68
15659bda85b
hex3ce217d40

16343203136 has 42 divisors (see below), whose sum is σ = 35117662302. Its totient is φ = 7543011840.

The previous prime is 16343203133. The next prime is 16343203157. The reversal of 16343203136 is 63130234361.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 931470400 + 15411732736 = 30520^2 + 124144^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16343203133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 744695 + ... + 766326.

Almost surely, 216343203136 is an apocalyptic number.

16343203136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16343203136 is an abundant number, since it is smaller than the sum of its proper divisors (18774459166).

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

16343203136 is a wasteful number, since it uses less digits than its factorization.

16343203136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511059 (or 1511036 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 16343203136 its reverse (63130234361), we get a palindrome (79473437497).

The spelling of 16343203136 in words is "sixteen billion, three hundred forty-three million, two hundred three thousand, one hundred thirty-six".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 169 208 338 416 676 832 1352 2704 5408 10816 1511021 3022042 6044084 12088168 19643273 24176336 39286546 48352672 78573092 96705344 157146184 255362549 314292368 510725098 628584736 1021450196 1257169472 2042900392 4085800784 8171601568 16343203136