Base | Representation |
---|---|
bin | 1011111011101111100101… |
… | …0100011101011001000000 |
3 | 1201110100121221211111001002 |
4 | 2332323321110131121000 |
5 | 3204433313312341112 |
6 | 43523413221231132 |
7 | 2522650635260552 |
oct | 276737124353100 |
9 | 51410557744032 |
10 | 13121013012032 |
11 | 41a9654865842 |
12 | 157ab348624a8 |
13 | 7423c99b7493 |
14 | 3350bbb054d2 |
15 | 17b49353e1c2 |
hex | beef951d640 |
13121013012032 has 56 divisors (see below), whose sum is σ = 26239743173952. Its totient is φ = 6509439372800.
The previous prime is 13121013012017. The next prime is 13121013012073. The reversal of 13121013012032 is 23021031012131.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 13121013011995 and 13121013012013.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56820518 + ... + 57050970.
It is an arithmetic number, because the mean of its divisors is an integer number (468566842392).
Almost surely, 213121013012032 is an apocalyptic number.
It is an amenable number.
13121013012032 is a deficient number, since it is larger than the sum of its proper divisors (13118730161920).
13121013012032 is a wasteful number, since it uses less digits than its factorization.
13121013012032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 237387 (or 237377 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 13121013012032 its reverse (23021031012131), we get a palindrome (36142044024163).
The spelling of 13121013012032 in words is "thirteen trillion, one hundred twenty-one billion, thirteen million, twelve thousand, thirty-two".
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