Base | Representation |
---|---|
bin | 1111100010111001… |
… | …1100000110010111 |
3 | 101202211002110121100 |
4 | 3320232130012113 |
5 | 32021232021122 |
6 | 1530024121143 |
7 | 205260156051 |
oct | 37056340627 |
9 | 11684073540 |
10 | 4172923287 |
11 | 1851563035 |
12 | 9856061b3 |
13 | 5166b84a0 |
14 | 2b82c88d1 |
15 | 196531aac |
hex | f8b9c197 |
4172923287 has 24 divisors (see below), whose sum is σ = 6513421824. Its totient is φ = 2559167424.
The previous prime is 4172923259. The next prime is 4172923367. The reversal of 4172923287 is 7823292714.
It is not a de Polignac number, because 4172923287 - 226 = 4105814423 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4172923487) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26583 + ... + 95144.
It is an arithmetic number, because the mean of its divisors is an integer number (271392576).
Almost surely, 24172923287 is an apocalyptic number.
4172923287 is a deficient number, since it is larger than the sum of its proper divisors (2340498537).
4172923287 is a wasteful number, since it uses less digits than its factorization.
4172923287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122039 (or 122036 counting only the distinct ones).
The product of its digits is 338688, while the sum is 45.
The square root of 4172923287 is about 64598.1678300554. The cubic root of 4172923287 is about 1609.9539982741.
The spelling of 4172923287 in words is "four billion, one hundred seventy-two million, nine hundred twenty-three thousand, two hundred eighty-seven".
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