Search a number
-
+
531352214432 = 25131277288977
BaseRepresentation
bin1111011101101110000…
…11110101101110100000
31212210111211221020002122
413232313003311232200
532201202131330212
61044033322003412
753250255205334
oct7566703655640
91783454836078
10531352214432
11195388522216
1286b90946568
133b14c700150
141ba090a17c4
15dc4d313272
hex7bb70f5ba0

531352214432 has 24 divisors (see below), whose sum is σ = 1126568878596. Its totient is φ = 245239483392.

The previous prime is 531352214401. The next prime is 531352214441. The reversal of 531352214432 is 234412253135.

It can be written as a sum of positive squares in 2 ways, for example, as 380003205136 + 151349009296 = 616444^2 + 389036^2 .

It is a junction number, because it is equal to n+sod(n) for n = 531352214392 and 531352214401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638644073 + ... + 638644904.

Almost surely, 2531352214432 is an apocalyptic number.

531352214432 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

531352214432 is an abundant number, since it is smaller than the sum of its proper divisors (595216664164).

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

531352214432 is a wasteful number, since it uses less digits than its factorization.

531352214432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277289000 (or 1277288992 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

Adding to 531352214432 its reverse (234412253135), we get a palindrome (765764467567).

The spelling of 531352214432 in words is "five hundred thirty-one billion, three hundred fifty-two million, two hundred fourteen thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 1277288977 2554577954 5109155908 10218311816 16604756701 20436623632 33209513402 40873247264 66419026804 132838053608 265676107216 531352214432