Base | Representation |
---|---|
bin | 11110111011010000101… |
… | …100010001111110111001 |
3 | 21112011112220011122210020 |
4 | 132323100230101332321 |
5 | 234304420032110040 |
6 | 4304151011241053 |
7 | 306353545255665 |
oct | 36732054217671 |
9 | 7464486148706 |
10 | 2125215113145 |
11 | 74a331588673 |
12 | 2a3a6a2a9189 |
13 | 12553a0265b7 |
14 | 74c0a6918a5 |
15 | 3a435c2bcd0 |
hex | 1eed0b11fb9 |
2125215113145 has 16 divisors (see below), whose sum is σ = 3415592366592. Its totient is φ = 1128365331840.
The previous prime is 2125215113143. The next prime is 2125215113149. The reversal of 2125215113145 is 5413115125212.
It is not a de Polignac number, because 2125215113145 - 21 = 2125215113143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2125215113143) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317667076 + ... + 317673765.
It is an arithmetic number, because the mean of its divisors is an integer number (213474522912).
Almost surely, 22125215113145 is an apocalyptic number.
It is an amenable number.
2125215113145 is a deficient number, since it is larger than the sum of its proper divisors (1290377253447).
2125215113145 is a wasteful number, since it uses less digits than its factorization.
2125215113145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 635341072.
The product of its digits is 12000, while the sum is 33.
The spelling of 2125215113145 in words is "two trillion, one hundred twenty-five billion, two hundred fifteen million, one hundred thirteen thousand, one hundred forty-five".
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