Base | Representation |
---|---|
bin | 10010001110100000010… |
… | …100010001010010011101 |
3 | 11102201222122001021002211 |
4 | 102032200110101102131 |
5 | 131010132414321024 |
6 | 2355222504520421 |
7 | 156330512060131 |
oct | 22164024212235 |
9 | 4381878037084 |
10 | 1252525151389 |
11 | 443213881816 |
12 | 1828b8180111 |
13 | 91160551c45 |
14 | 448a03753c1 |
15 | 228ab0c8594 |
hex | 123a051149d |
1252525151389 has 16 divisors (see below), whose sum is σ = 1269166204800. Its totient is φ = 1235976526656.
The previous prime is 1252525151359. The next prime is 1252525151393. The reversal of 1252525151389 is 9831515252521.
It is a cyclic number.
It is not a de Polignac number, because 1252525151389 - 213 = 1252525143197 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1252525151359) 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, 42817002 + ... + 42846244.
It is an arithmetic number, because the mean of its divisors is an integer number (79322887800).
Almost surely, 21252525151389 is an apocalyptic number.
It is an amenable number.
1252525151389 is a deficient number, since it is larger than the sum of its proper divisors (16641053411).
1252525151389 is a wasteful number, since it uses less digits than its factorization.
1252525151389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30804.
The product of its digits is 1080000, while the sum is 49.
The spelling of 1252525151389 in words is "one trillion, two hundred fifty-two billion, five hundred twenty-five million, one hundred fifty-one thousand, three hundred eighty-nine".
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