Base | Representation |
---|---|
bin | 1111100010101101… |
… | …1101011100101011 |
3 | 101202202121210101211 |
4 | 3320223131130223 |
5 | 32021032024004 |
6 | 1525555253551 |
7 | 205250424256 |
oct | 37053353453 |
9 | 11682553354 |
10 | 4172142379 |
11 | 185107a359 |
12 | 9852aa2b7 |
13 | 5164a3c02 |
14 | 2b816409d |
15 | 19642a504 |
hex | f8add72b |
4172142379 has 4 divisors (see below), whose sum is σ = 4391728840. Its totient is φ = 3952555920.
The previous prime is 4172142371. The next prime is 4172142383. The reversal of 4172142379 is 9732412714.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9732412714 = 2 ⋅4866206357.
It is a cyclic number.
It is not a de Polignac number, because 4172142379 - 23 = 4172142371 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (4172142371) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109793202 + ... + 109793239.
It is an arithmetic number, because the mean of its divisors is an integer number (1097932210).
Almost surely, 24172142379 is an apocalyptic number.
4172142379 is a deficient number, since it is larger than the sum of its proper divisors (219586461).
4172142379 is a wasteful number, since it uses less digits than its factorization.
4172142379 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 219586460.
The product of its digits is 84672, while the sum is 40.
The square root of 4172142379 is about 64592.1231962536. The cubic root of 4172142379 is about 1609.8535647329.
It can be divided in two parts, 41721 and 42379, that added together give a square (84100 = 2902).
The spelling of 4172142379 in words is "four billion, one hundred seventy-two million, one hundred forty-two thousand, three hundred seventy-nine".
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