Search a number
-
+
121301323130 = 25135317605417
BaseRepresentation
bin111000011111000011…
…1110100110101111010
3102121002200211200020102
41300332013310311322
53441411114320010
6131420340155402
711522650143251
oct1607607646572
9377080750212
10121301323130
1147497486489
121b613698b62
13b591996660
145c2a0cd798
15324e357ba5
hex1c3e1f4d7a

121301323130 has 32 divisors (see below), whose sum is σ = 239574528144. Its totient is φ = 43943118336.

The previous prime is 121301323109. The next prime is 121301323159. The reversal of 121301323130 is 31323103121.

It can be written as a sum of positive squares in 8 ways, for example, as 78703252681 + 42598070449 = 280541^2 + 206393^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8795819 + ... + 8809598.

Almost surely, 2121301323130 is an apocalyptic number.

121301323130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121301323130 is a deficient number, since it is larger than the sum of its proper divisors (118273205014).

121301323130 is a wasteful number, since it uses less digits than its factorization.

121301323130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17605490.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121301323130 its reverse (31323103121), we get a palindrome (152624426251).

The spelling of 121301323130 in words is "one hundred twenty-one billion, three hundred one million, three hundred twenty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 53 65 106 130 265 530 689 1378 3445 6890 17605417 35210834 88027085 176054170 228870421 457740842 933087101 1144352105 1866174202 2288704210 4665435505 9330871010 12130132313 24260264626 60650661565 121301323130