Search a number
-
+
203222230194 = 231671911061867
BaseRepresentation
bin1011110101000011111…
…1010010010010110010
3201102112220110221100110
42331100333102102302
511312144342331234
6233205313402150
720453015312064
oct2752077222262
9642486427313
10203222230194
1179205718465
1233476869356
1316218a72269
149b9c015734
1554462b41e9
hex2f50fd24b2

203222230194 has 32 divisors (see below), whose sum is σ = 411019370496. Its totient is φ = 66982507280.

The previous prime is 203222230193. The next prime is 203222230217. The reversal of 203222230194 is 491032222302.

It is not an unprimeable number, because it can be changed into a prime (203222230193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339552 + ... + 722315.

It is an arithmetic number, because the mean of its divisors is an integer number (12844355328).

Almost surely, 2203222230194 is an apocalyptic number.

203222230194 is an abundant number, since it is smaller than the sum of its proper divisors (207797140302).

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

203222230194 is a wasteful number, since it uses less digits than its factorization.

203222230194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062230.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 203222230194 its reverse (491032222302), we get a palindrome (694254452496).

The spelling of 203222230194 in words is "two hundred three billion, two hundred twenty-two million, two hundred thirty thousand, one hundred ninety-four".

Divisors: 1 2 3 6 167 191 334 382 501 573 1002 1146 31897 63794 95691 191382 1061867 2123734 3185601 6371202 177331789 202816597 354663578 405633194 531995367 608449791 1063990734 1216899582 33870371699 67740743398 101611115097 203222230194