Base | Representation |
---|---|
bin | 111000100000010111… |
… | …0111100011101111010 |
3 | 102121012202021102021100 |
4 | 1301000232330131322 |
5 | 3442003323214120 |
6 | 131424543152230 |
7 | 11524021415145 |
oct | 1610056743572 |
9 | 377182242240 |
10 | 121345132410 |
11 | 4750a188aa7 |
12 | 1b6262a5676 |
13 | b59aa94cc8 |
14 | 5c31c5505c |
15 | 325310d490 |
hex | 1c40bbc77a |
121345132410 has 96 divisors (see below), whose sum is σ = 325889141760. Its totient is φ = 31294252800.
The previous prime is 121345132409. The next prime is 121345132411. The reversal of 121345132410 is 14231543121.
121345132410 is a `hidden beast` number, since 1 + 2 + 134 + 513 + 2 + 4 + 10 = 666.
121345132410 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (121345132409) and next prime (121345132411).
It is not an unprimeable number, because it can be changed into a prime (121345132411) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4475595 + ... + 4502625.
It is an arithmetic number, because the mean of its divisors is an integer number (3394678560).
Almost surely, 2121345132410 is an apocalyptic number.
121345132410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 121345132410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162944570880).
121345132410 is an abundant number, since it is smaller than the sum of its proper divisors (204544009350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121345132410 is a wasteful number, since it uses less digits than its factorization.
121345132410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28684 (or 28681 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
Adding to 121345132410 its reverse (14231543121), we get a palindrome (135576675531).
The spelling of 121345132410 in words is "one hundred twenty-one billion, three hundred forty-five million, one hundred thirty-two thousand, four hundred ten".
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