Base | Representation |
---|---|
bin | 11011100010101100010100… |
… | …010011001001010001100010 |
3 | 120212220001001210100202000020 |
4 | 123202230110103021101202 |
5 | 111334103402110242010 |
6 | 1105342541422534310 |
7 | 34341306420626631 |
oct | 3342542423112142 |
9 | 525801053322006 |
10 | 121131303212130 |
11 | 3566155185a852 |
12 | 11704084437396 |
13 | 527882c58b073 |
14 | 21cab01a9b518 |
15 | e00d83357470 |
hex | 6e2b144c9462 |
121131303212130 has 16 divisors (see below), whose sum is σ = 290715127709184. Its totient is φ = 32301680856560.
The previous prime is 121131303212081. The next prime is 121131303212147. The reversal of 121131303212130 is 31212303131121.
It is a self number, because there is not a number n which added to its sum of digits gives 121131303212130.
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, 2018855053506 + ... + 2018855053565.
It is an arithmetic number, because the mean of its divisors is an integer number (18169695481824).
Almost surely, 2121131303212130 is an apocalyptic number.
121131303212130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121131303212130 is an abundant number, since it is smaller than the sum of its proper divisors (169583824497054).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121131303212130 is a wasteful number, since it uses less digits than its factorization.
121131303212130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4037710107081.
The product of its (nonzero) digits is 648, while the sum is 24.
Adding to 121131303212130 its reverse (31212303131121), we get a palindrome (152343606343251).
The spelling of 121131303212130 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, three hundred three million, two hundred twelve thousand, one hundred thirty".
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