Base | Representation |
---|---|
bin | 1101010011000010… |
… | …01011011100011111 |
3 | 200102112022111201220 |
4 | 12221201023130133 |
5 | 104110041430211 |
6 | 3140221504423 |
7 | 341624423103 |
oct | 65141133437 |
9 | 20375274656 |
10 | 7139014431 |
11 | 303387322a |
12 | 1472a12113 |
13 | 89a0597c3 |
14 | 4ba1c5903 |
15 | 2bbb28806 |
hex | 1a984b71f |
7139014431 has 8 divisors (see below), whose sum is σ = 9519108480. Its totient is φ = 4759131672.
The previous prime is 7139014387. The next prime is 7139014453. The reversal of 7139014431 is 1344109317.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 7139014431 - 213 = 7139006239 is a prime.
It is a super-2 number, since 2×71390144312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 7139014392 and 7139014401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7139014931) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61150 + ... + 134228.
It is an arithmetic number, because the mean of its divisors is an integer number (1189888560).
Almost surely, 27139014431 is an apocalyptic number.
7139014431 is a deficient number, since it is larger than the sum of its proper divisors (2380094049).
7139014431 is a wasteful number, since it uses less digits than its factorization.
7139014431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105645.
The product of its (nonzero) digits is 9072, while the sum is 33.
The square root of 7139014431 is about 84492.6886245195. The cubic root of 7139014431 is about 1925.5113663444.
The spelling of 7139014431 in words is "seven billion, one hundred thirty-nine million, fourteen thousand, four hundred thirty-one".
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