Search a number
-
+
121300311133 = 2319148135737
BaseRepresentation
bin111000011111000001…
…1111101110001011101
3102121002121221021001001
41300332003331301131
53441410334424013
6131420302350301
711522635426651
oct1607603756135
9377077837031
10121300311133
1147496955121
121b61328b391
13b591700b41
145c29d08a61
15324e207ddd
hex1c3e0fdc5d

121300311133 has 16 divisors (see below), whose sum is σ = 127285549056. Its totient is φ = 115374821760.

The previous prime is 121300311103. The next prime is 121300311149. The reversal of 121300311133 is 331113003121.

It is a cyclic number.

It is not a de Polignac number, because 121300311133 - 217 = 121300180061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121300311133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121300311103) 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, 21140641 + ... + 21146377.

It is an arithmetic number, because the mean of its divisors is an integer number (7955346816).

Almost surely, 2121300311133 is an apocalyptic number.

It is an amenable number.

121300311133 is a deficient number, since it is larger than the sum of its proper divisors (5985237923).

121300311133 is a wasteful number, since it uses less digits than its factorization.

121300311133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10764.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 121300311133 its reverse (331113003121), we get a palindrome (452413314254).

The spelling of 121300311133 in words is "one hundred twenty-one billion, three hundred million, three hundred eleven thousand, one hundred thirty-three".

Divisors: 1 23 191 4393 4813 5737 110699 131951 919283 1095767 21143509 25202641 27612181 635080163 5273926571 121300311133