Base | Representation |
---|---|
bin | 111000010111000000… |
… | …1110100011101001110 |
3 | 102120101212202202021202 |
4 | 1300232001310131032 |
5 | 3440333004010410 |
6 | 131333453025502 |
7 | 11513161121342 |
oct | 1605601643516 |
9 | 376355682252 |
10 | 121031313230 |
11 | 47369026003 |
12 | 1b559185292 |
13 | b54aa69199 |
14 | 5c022c5622 |
15 | 32357beca5 |
hex | 1c2e07474e |
121031313230 has 32 divisors (see below), whose sum is σ = 227972522304. Its totient is φ = 46176418816.
The previous prime is 121031313191. The next prime is 121031313251. The reversal of 121031313230 is 32313130121.
It is a congruent number.
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, 664169 + ... + 826548.
It is an arithmetic number, because the mean of its divisors is an integer number (7124141322).
Almost surely, 2121031313230 is an apocalyptic number.
121031313230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121031313230 is a deficient number, since it is larger than the sum of its proper divisors (106941209074).
121031313230 is a wasteful number, since it uses less digits than its factorization.
121031313230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1491100.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 121031313230 its reverse (32313130121), we get a palindrome (153344443351).
The spelling of 121031313230 in words is "one hundred twenty-one billion, thirty-one million, three hundred thirteen thousand, two hundred thirty".
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