Search a number
-
+
121113203110 = 2512111320311
BaseRepresentation
bin111000011001011101…
…0001101000110100110
3102120121120212012002021
41300302322031012212
53441014434444420
6131345540133354
711515204145344
oct1606272150646
9376546765067
10121113203110
1147400278099
121b58069725a
13b561a0b833
145c0d120994
15323ca987aa
hex1c32e8d1a6

121113203110 has 8 divisors (see below), whose sum is σ = 218003765616. Its totient is φ = 48445281240.

The previous prime is 121113203069. The next prime is 121113203209. The reversal of 121113203110 is 11302311121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1211132031102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6055660146 + ... + 6055660165.

It is an arithmetic number, because the mean of its divisors is an integer number (27250470702).

Almost surely, 2121113203110 is an apocalyptic number.

121113203110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121113203110 is a deficient number, since it is larger than the sum of its proper divisors (96890562506).

121113203110 is a wasteful number, since it uses less digits than its factorization.

121113203110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12111320318.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 121113203110 its reverse (11302311121), we get a palindrome (132415514231).

The spelling of 121113203110 in words is "one hundred twenty-one billion, one hundred thirteen million, two hundred three thousand, one hundred ten".

Divisors: 1 2 5 10 12111320311 24222640622 60556601555 121113203110