Search a number
-
+
1002323431304 = 231323894034209
BaseRepresentation
bin11101001010111110010…
…00011100111110001000
310112211011122100222001022
432211133020130332020
5112410224244300204
62044243325412012
7132262336410146
oct16453710347610
93484148328038
101002323431304
113570a04a0258
1214231010a008
1373698755b70
1436726c54596
151b1157155be
hexe95f21cf88

1002323431304 has 32 divisors (see below), whose sum is σ = 2024769999000. Its totient is φ = 462417057792.

The previous prime is 1002323431301. The next prime is 1002323431337. The reversal of 1002323431304 is 4031343232001.

It can be written as a sum of positive squares in 4 ways, for example, as 611570920900 + 390752510404 = 782030^2 + 625102^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1002323431301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1768649 + ... + 2265560.

Almost surely, 21002323431304 is an apocalyptic number.

It is an amenable number.

1002323431304 is an abundant number, since it is smaller than the sum of its proper divisors (1022446567696).

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

1002323431304 is a wasteful number, since it uses less digits than its factorization.

1002323431304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4036617 (or 4036613 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1002323431304 its reverse (4031343232001), we get a palindrome (5033666663305).

The spelling of 1002323431304 in words is "one trillion, two billion, three hundred twenty-three million, four hundred thirty-one thousand, three hundred four".

Divisors: 1 2 4 8 13 26 52 104 2389 4778 9556 19112 31057 62114 124228 248456 4034209 8068418 16136836 32273672 52444717 104889434 209778868 419557736 9637725301 19275450602 38550901204 77101802408 125290428913 250580857826 501161715652 1002323431304