Base | Representation |
---|---|
bin | 1011111011101100111101… |
… | …1110100010001101001001 |
3 | 1201110021211000220002110022 |
4 | 2332323033132202031021 |
5 | 3204430344104310441 |
6 | 43523215423030225 |
7 | 2522624352331010 |
oct | 276731736421511 |
9 | 51407730802408 |
10 | 13120311010121 |
11 | 41a9324579377 |
12 | 157a97973b375 |
13 | 742317426b33 |
14 | 3350527a9a77 |
15 | 17b451ac384b |
hex | beecf7a2349 |
13120311010121 has 8 divisors (see below), whose sum is σ = 14997137397120. Its totient is φ = 11244108683808.
The previous prime is 13120311010111. The next prime is 13120311010123. The reversal of 13120311010121 is 12101011302131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13120311010121 - 214 = 13120310993737 is a prime.
It is a super-2 number, since 2×131203110101212 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13120311010121.
It is not an unprimeable number, because it can be changed into a prime (13120311010123) 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, 155970116 + ... + 156054213.
It is an arithmetic number, because the mean of its divisors is an integer number (1874642174640).
Almost surely, 213120311010121 is an apocalyptic number.
It is an amenable number.
13120311010121 is a deficient number, since it is larger than the sum of its proper divisors (1876826386999).
13120311010121 is an equidigital number, since it uses as much as digits as its factorization.
13120311010121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 312030343.
The product of its (nonzero) digits is 36, while the sum is 17.
Adding to 13120311010121 its reverse (12101011302131), we get a palindrome (25221322312252).
The spelling of 13120311010121 in words is "thirteen trillion, one hundred twenty billion, three hundred eleven million, ten thousand, one hundred twenty-one".
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