Base | Representation |
---|---|
bin | 1101111010111010… |
… | …00010101000100001 |
3 | 201021211122211010100 |
4 | 12331131002220201 |
5 | 110301202132311 |
6 | 3233330253013 |
7 | 353125324113 |
oct | 67535025041 |
9 | 21254584110 |
10 | 7473474081 |
11 | 3195643767 |
12 | 1546a27169 |
13 | 921431418 |
14 | 50c7a93b3 |
15 | 2db192a56 |
hex | 1bd742a21 |
7473474081 has 6 divisors (see below), whose sum is σ = 10795018130. Its totient is φ = 4982316048.
The previous prime is 7473474067. The next prime is 7473474133. The reversal of 7473474081 is 1804743747.
It can be written as a sum of positive squares in only one way, i.e., 6919577856 + 553896225 = 83184^2 + 23535^2 .
It is not a de Polignac number, because 7473474081 - 25 = 7473474049 is a prime.
It is a super-2 number, since 2×74734740812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7473474881) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 415192996 + ... + 415193013.
Almost surely, 27473474081 is an apocalyptic number.
It is an amenable number.
7473474081 is a deficient number, since it is larger than the sum of its proper divisors (3321544049).
7473474081 is a wasteful number, since it uses less digits than its factorization.
7473474081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 830386015 (or 830386012 counting only the distinct ones).
The product of its (nonzero) digits is 526848, while the sum is 45.
The square root of 7473474081 is about 86449.2572611240. The cubic root of 7473474081 is about 1955.1234177051.
The spelling of 7473474081 in words is "seven billion, four hundred seventy-three million, four hundred seventy-four thousand, eighty-one".
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