Base | Representation |
---|---|
bin | 10110100010011100… |
… | …10100001000011111 |
3 | 1011020021112001022202 |
4 | 23101032110020133 |
5 | 144240113001330 |
6 | 5320403402115 |
7 | 605565236663 |
oct | 132116241037 |
9 | 34207461282 |
10 | 12100125215 |
11 | 514a229192 |
12 | 241838333b |
13 | 11aab20309 |
14 | 82b0428a3 |
15 | 4ac44c445 |
hex | 2d139421f |
12100125215 has 8 divisors (see below), whose sum is σ = 14588967408. Its totient is φ = 9634222080.
The previous prime is 12100125209. The next prime is 12100125253. The reversal of 12100125215 is 51252100121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12100125215 - 24 = 12100125199 is a prime.
It is a Duffinian number.
It is a congruent number.
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, 5733602 + ... + 5735711.
It is an arithmetic number, because the mean of its divisors is an integer number (1823620926).
Almost surely, 212100125215 is an apocalyptic number.
12100125215 is a deficient number, since it is larger than the sum of its proper divisors (2488842193).
12100125215 is a wasteful number, since it uses less digits than its factorization.
12100125215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11469529.
The product of its (nonzero) digits is 200, while the sum is 20.
Adding to 12100125215 its reverse (51252100121), we get a palindrome (63352225336).
The spelling of 12100125215 in words is "twelve billion, one hundred million, one hundred twenty-five thousand, two hundred fifteen".
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