Base | Representation |
---|---|
bin | 10011101010010100… |
… | …10001100110110101 |
3 | 1000020122011010111100 |
4 | 21311022101212311 |
5 | 133104210444141 |
6 | 4503230200313 |
7 | 522401541315 |
oct | 116512214665 |
9 | 30218133440 |
10 | 10555562421 |
11 | 4527381308 |
12 | 2067053099 |
13 | cc2b27731 |
14 | 721c5d445 |
15 | 41ba4e0b6 |
hex | 2752919b5 |
10555562421 has 12 divisors (see below), whose sum is σ = 15303607020. Its totient is φ = 7010880000.
The previous prime is 10555562417. The next prime is 10555562453. The reversal of 10555562421 is 12426555501.
10555562421 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 5 + 5 + 624 + 21 = 666.
10555562421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 1471566321 + 9083996100 = 38361^2 + 95310^2 .
It is not a de Polignac number, because 10555562421 - 22 = 10555562417 is a prime.
It is a super-3 number, since 3×105555624213 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10555562221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2177580 + ... + 2182421.
It is an arithmetic number, because the mean of its divisors is an integer number (1275300585).
Almost surely, 210555562421 is an apocalyptic number.
It is an amenable number.
10555562421 is a deficient number, since it is larger than the sum of its proper divisors (4748044599).
10555562421 is a wasteful number, since it uses less digits than its factorization.
10555562421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4360276 (or 4360273 counting only the distinct ones).
The product of its (nonzero) digits is 60000, while the sum is 36.
The spelling of 10555562421 in words is "ten billion, five hundred fifty-five million, five hundred sixty-two thousand, four hundred twenty-one".
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