Search a number
-
+
505352345412 = 223107393576593
BaseRepresentation
bin1110101101010010101…
…10001101011101000100
31210022101212121000211210
413112221112031131010
531234430200023122
61024053342331420
751340050030045
oct7265126153504
91708355530753
10505352345412
11185356251862
1281b35589b70
1338867ca4275
141a6600028cc
15d22a98840c
hex75a958d744

505352345412 has 24 divisors (see below), whose sum is σ = 1190175620256. Its totient is φ = 166876475008.

The previous prime is 505352345411. The next prime is 505352345417. The reversal of 505352345412 is 214543253505.

It is not an unprimeable number, because it can be changed into a prime (505352345411) 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, 196787013 + ... + 196789580.

It is an arithmetic number, because the mean of its divisors is an integer number (49590650844).

Almost surely, 2505352345412 is an apocalyptic number.

It is an amenable number.

505352345412 is an abundant number, since it is smaller than the sum of its proper divisors (684823274844).

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

505352345412 is a wasteful number, since it uses less digits than its factorization.

505352345412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393576707 (or 393576705 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 505352345412 its reverse (214543253505), we get a palindrome (719895598917).

The spelling of 505352345412 in words is "five hundred five billion, three hundred fifty-two million, three hundred forty-five thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 107 214 321 428 642 1284 393576593 787153186 1180729779 1574306372 2361459558 4722919116 42112695451 84225390902 126338086353 168450781804 252676172706 505352345412