Base | Representation |
---|---|
bin | 1011111010101001100111… |
… | …1100011110011001110101 |
3 | 1201101120011010222001010102 |
4 | 2332222121330132121311 |
5 | 3204131333123120041 |
6 | 43511025513003445 |
7 | 2521414356053345 |
oct | 276523174363165 |
9 | 51346133861112 |
10 | 13102233020021 |
11 | 41a1697a68892 |
12 | 15773733b3585 |
13 | 7406c5cbac82 |
14 | 33421987ad25 |
15 | 17ac4496209b |
hex | bea99f1e675 |
13102233020021 has 8 divisors (see below), whose sum is σ = 13914118647000. Its totient is φ = 12294921397248.
The previous prime is 13102233020003. The next prime is 13102233020057. The reversal of 13102233020021 is 12002033220131.
It can be written as a sum of positive squares in 4 ways, for example, as 4245145140625 + 8857087879396 = 2060375^2 + 2976086^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13102233020021 is a prime.
It is a super-2 number, since 2×131022330200212 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13102233019975 and 13102233020002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13102233020081) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143495146 + ... + 1143506603.
It is an arithmetic number, because the mean of its divisors is an integer number (1739264830875).
Almost surely, 213102233020021 is an apocalyptic number.
It is an amenable number.
13102233020021 is a deficient number, since it is larger than the sum of its proper divisors (811885626979).
13102233020021 is a wasteful number, since it uses less digits than its factorization.
13102233020021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2287002103.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 13102233020021 its reverse (12002033220131), we get a palindrome (25104266240152).
The spelling of 13102233020021 in words is "thirteen trillion, one hundred two billion, two hundred thirty-three million, twenty thousand, twenty-one".
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