Base | Representation |
---|---|
bin | 1101111011000101… |
… | …11100001101100001 |
3 | 201021221120101121100 |
4 | 12331202330031201 |
5 | 110302101130031 |
6 | 3233423345013 |
7 | 353144425044 |
oct | 67542741541 |
9 | 21257511540 |
10 | 7475020641 |
11 | 31964aa710 |
12 | 1547452169 |
13 | 92185334a |
14 | 50ca8cc5b |
15 | 2db39ade6 |
hex | 1bd8bc361 |
7475020641 has 48 divisors (see below), whose sum is σ = 12411360000. Its totient is φ = 4287517920.
The previous prime is 7475020601. The next prime is 7475020687. The reversal of 7475020641 is 1460205747.
7475020641 is a `hidden beast` number, since 7 + 4 + 7 + 5 + 0 + 2 + 0 + 641 = 666.
It is not a de Polignac number, because 7475020641 - 213 = 7475012449 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 7475020596 and 7475020605.
It is not an unprimeable number, because it can be changed into a prime (7475020601) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3194650 + ... + 3196988.
It is an arithmetic number, because the mean of its divisors is an integer number (258570000).
Almost surely, 27475020641 is an apocalyptic number.
It is an amenable number.
7475020641 is a deficient number, since it is larger than the sum of its proper divisors (4936339359).
7475020641 is a wasteful number, since it uses less digits than its factorization.
7475020641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4074 (or 4071 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 36.
The square root of 7475020641 is about 86458.2016988556. The cubic root of 7475020641 is about 1955.2582727532.
The spelling of 7475020641 in words is "seven billion, four hundred seventy-five million, twenty thousand, six hundred forty-one".
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