Search a number
-
+
121100042234 = 2614721210257
BaseRepresentation
bin111000011001000011…
…1111111111111111010
3102120120200002112202102
41300302013333333322
53441003102322414
6131344350103402
711514654242423
oct1606207777772
9376520075672
10121100042234
11473a38a9136
121b5781aab62
13b55c081332
145c0b49664a
15323b848ede
hex1c321ffffa

121100042234 has 16 divisors (see below), whose sum is σ = 184667919336. Its totient is φ = 59544499200.

The previous prime is 121100042201. The next prime is 121100042263. The reversal of 121100042234 is 432240001121.

It can be written as a sum of positive squares in 4 ways, for example, as 39420117025 + 81679925209 = 198545^2 + 285797^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470834 + ... + 681090.

Almost surely, 2121100042234 is an apocalyptic number.

121100042234 is a deficient number, since it is larger than the sum of its proper divisors (63567877102).

121100042234 is a wasteful number, since it uses less digits than its factorization.

121100042234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215041.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 121100042234 its reverse (432240001121), we get a palindrome (553340043355).

The spelling of 121100042234 in words is "one hundred twenty-one billion, one hundred million, forty-two thousand, two hundred thirty-four".

Divisors: 1 2 61 122 4721 9442 210257 287981 420514 575962 12825677 25651354 992623297 1985246594 60550021117 121100042234