Search a number
-
+
256006012 = 2264001503
BaseRepresentation
bin11110100001001…
…01011101111100
3122211201110020011
433100211131330
51011014143022
641223033004
76226005133
oct1720453574
9584643204
10256006012
11121566119
127189b764
1341066362
142600091a
151771d977
hexf42577c

256006012 has 6 divisors (see below), whose sum is σ = 448010528. Its totient is φ = 128003004.

The previous prime is 256006001. The next prime is 256006027. The reversal of 256006012 is 210600652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32000748 + ... + 32000755.

Almost surely, 2256006012 is an apocalyptic number.

It is an amenable number.

256006012 is a deficient number, since it is larger than the sum of its proper divisors (192004516).

256006012 is a wasteful number, since it uses less digits than its factorization.

256006012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64001507 (or 64001505 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 256006012 is about 16000.1878738970. The cubic root of 256006012 is about 634.9653912979.

Adding to 256006012 its reverse (210600652), we get a palindrome (466606664).

The spelling of 256006012 in words is "two hundred fifty-six million, six thousand, twelve".

Divisors: 1 2 4 64001503 128003006 256006012