Search a number
-
+
305142176208 = 24327722949923
BaseRepresentation
bin1000111000010111110…
…01000001100111010000
31002011121212211122101210
410130023321001213100
514444412344114313
6352102543500120
731021464462612
oct4341371014720
91064555748353
10305142176208
11108456892401
124b17b5b7640
1322a0c27a21c
1410aaa052db2
157e0dd4b9c3
hex470be419d0

305142176208 has 40 divisors (see below), whose sum is σ = 791129780128. Its totient is φ = 101346855552.

The previous prime is 305142176201. The next prime is 305142176221. The reversal of 305142176208 is 802671241503.

It is a super-2 number, since 2×3051421762082 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305142176201) 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 7 ways as a sum of consecutive naturals, for example, 11461666 + ... + 11488257.

Almost surely, 2305142176208 is an apocalyptic number.

It is an amenable number.

305142176208 is an abundant number, since it is smaller than the sum of its proper divisors (485987603920).

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

305142176208 is a wasteful number, since it uses less digits than its factorization.

305142176208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22950211 (or 22950205 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 305142176208 in words is "three hundred five billion, one hundred forty-two million, one hundred seventy-six thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 277 554 831 1108 1662 2216 3324 4432 6648 13296 22949923 45899846 68849769 91799692 137699538 183599384 275399076 367198768 550798152 1101596304 6357128671 12714257342 19071386013 25428514684 38142772026 50857029368 76285544052 101714058736 152571088104 305142176208