Base | Representation |
---|---|
bin | 110011001010010010001… |
… | …1101000010001011101000 |
3 | 220220012110110001210120020 |
4 | 1212110210131002023220 |
5 | 1410200424100220230 |
6 | 22542114130200440 |
7 | 1324002312546342 |
oct | 146244435021350 |
9 | 26805413053506 |
10 | 7031473054440 |
11 | 2271038257a3a |
12 | 9568b6123120 |
13 | 3c00acc3a073 |
14 | 1a447a16c292 |
15 | c2d887ed810 |
hex | 665247422e8 |
7031473054440 has 64 divisors (see below), whose sum is σ = 21123197625600. Its totient is φ = 1872501395712.
The previous prime is 7031473054429. The next prime is 7031473054481. The reversal of 7031473054440 is 444503741307.
It is a super-2 number, since 2×70314730544402 (a number of 26 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 7031473054392 and 7031473054401.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39881760 + ... + 40057679.
It is an arithmetic number, because the mean of its divisors is an integer number (330049962900).
Almost surely, 27031473054440 is an apocalyptic number.
It is an amenable number.
7031473054440 is an abundant number, since it is smaller than the sum of its proper divisors (14091724571160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7031473054440 is a wasteful number, since it uses less digits than its factorization.
7031473054440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79940186 (or 79940182 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 42.
Adding to 7031473054440 its reverse (444503741307), we get a palindrome (7475976795747).
The spelling of 7031473054440 in words is "seven trillion, thirty-one billion, four hundred seventy-three million, fifty-four thousand, four hundred forty".
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