Base | Representation |
---|---|
bin | 11111010111000110110… |
… | …100101000100010111001 |
3 | 21122000201121202210202100 |
4 | 133113012310220202321 |
5 | 240302133230123000 |
6 | 4330013522454013 |
7 | 311462512212465 |
oct | 37270664504271 |
9 | 7560647683670 |
10 | 2155114301625 |
11 | 760a8492649a |
12 | 2a9813504309 |
13 | 1282c35526bc |
14 | 764455774a5 |
15 | 3b0d5a90a00 |
hex | 1f5c6d288b9 |
2155114301625 has 48 divisors (see below), whose sum is σ = 3886987412880. Its totient is φ = 1148792313600.
The previous prime is 2155114301623. The next prime is 2155114301647. The reversal of 2155114301625 is 5261034115512.
2155114301625 is a `hidden beast` number, since 2 + 1 + 55 + 11 + 430 + 162 + 5 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 578592986409 + 1576521315216 = 760653^2 + 1255596^2 .
It is not a de Polignac number, because 2155114301625 - 21 = 2155114301623 is a prime.
It is a super-2 number, since 2×21551143016252 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2155114301625.
It is not an unprimeable number, because it can be changed into a prime (2155114301623) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1651431 + ... + 2652819.
It is an arithmetic number, because the mean of its divisors is an integer number (80978904435).
Almost surely, 22155114301625 is an apocalyptic number.
2155114301625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2155114301625 is a deficient number, since it is larger than the sum of its proper divisors (1731873111255).
2155114301625 is a wasteful number, since it uses less digits than its factorization.
2155114301625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1003323 (or 1003310 counting only the distinct ones).
The product of its (nonzero) digits is 36000, while the sum is 36.
The spelling of 2155114301625 in words is "two trillion, one hundred fifty-five billion, one hundred fourteen million, three hundred one thousand, six hundred twenty-five".
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