Base | Representation |
---|---|
bin | 1001010010011110100000… |
… | …0101111001000101001111 |
3 | 1100011100121200212111002110 |
4 | 2110213220011321011033 |
5 | 2314312241431334411 |
6 | 33415445101155103 |
7 | 2102603301114351 |
oct | 224475005710517 |
9 | 40140550774073 |
10 | 10213031121231 |
11 | 328835a8a64a4 |
12 | 118b42b55ba93 |
13 | 591114124803 |
14 | 274455b5b0d1 |
15 | 12a9e74152a6 |
hex | 949e817914f |
10213031121231 has 64 divisors (see below), whose sum is σ = 15705361382400. Its totient is φ = 5859789981696.
The previous prime is 10213031121229. The next prime is 10213031121259. The reversal of 10213031121231 is 13212113031201.
It is not a de Polignac number, because 10213031121231 - 21 = 10213031121229 is a prime.
It is a super-2 number, since 2×102130311212312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10213031121198 and 10213031121207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10213031121221) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 95855470 + ... + 95961956.
It is an arithmetic number, because the mean of its divisors is an integer number (245396271600).
Almost surely, 210213031121231 is an apocalyptic number.
10213031121231 is a deficient number, since it is larger than the sum of its proper divisors (5492330261169).
10213031121231 is a wasteful number, since it uses less digits than its factorization.
10213031121231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109968.
The product of its (nonzero) digits is 216, while the sum is 21.
Adding to 10213031121231 its reverse (13212113031201), we get a palindrome (23425144152432).
The spelling of 10213031121231 in words is "ten trillion, two hundred thirteen billion, thirty-one million, one hundred twenty-one thousand, two hundred thirty-one".
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