Search a number
-
+
312202343204442 = 23219912872348551
BaseRepresentation
bin100011011111100100100010…
…1110000111100011001011010
31111221102020211002110111100200
41012333021011300330121122
5311410110344330020232
63023555435415243030
7122521606051403325
oct10677110560743132
91457366732414320
10312202343204442
11905282a7705719
122b022aa5079476
1310528729704c72
1457149617ad7bc
1526161757ab77c
hex11bf245c3c65a

312202343204442 has 24 divisors (see below), whose sum is σ = 712040431870560. Its totient is φ = 98590213643400.

The previous prime is 312202343204417. The next prime is 312202343204497. The reversal of 312202343204442 is 244402343202213.

312202343204442 is a `hidden beast` number, since 3 + 1 + 2 + 2 + 0 + 2 + 3 + 4 + 3 + 204 + 442 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 312202343204397 and 312202343204406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456436173934 + ... + 456436174617.

It is an arithmetic number, because the mean of its divisors is an integer number (29668351327940).

Almost surely, 2312202343204442 is an apocalyptic number.

312202343204442 is an abundant number, since it is smaller than the sum of its proper divisors (399838088666118).

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

312202343204442 is a wasteful number, since it uses less digits than its factorization.

312202343204442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912872348578 (or 912872348575 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 312202343204442 its reverse (244402343202213), we get a palindrome (556604686406655).

The spelling of 312202343204442 in words is "three hundred twelve trillion, two hundred two billion, three hundred forty-three million, two hundred four thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 912872348551 1825744697102 2738617045653 5477234091306 8215851136959 16431702273918 17344574622469 34689149244938 52033723867407 104067447734814 156101171602221 312202343204442