Base | Representation |
---|---|
bin | 10101100011101111001010… |
… | …00111011011110100010001 |
3 | 20012212002210002001112210002 |
4 | 22301313211013123310101 |
5 | 22203210322340233421 |
6 | 244454354042215345 |
7 | 12662033342013122 |
oct | 1261674507336421 |
9 | 205762702045702 |
10 | 47407397977361 |
11 | 14118401282694 |
12 | 5397a557b4555 |
13 | 205b66311b106 |
14 | b9c75d22a049 |
15 | 573296542b0b |
hex | 2b1de51dbd11 |
47407397977361 has 12 divisors (see below), whose sum is σ = 49560020867700. Its totient is φ = 45344546327520.
The previous prime is 47407397977351. The next prime is 47407397977483. The reversal of 47407397977361 is 16377979370474.
It can be written as a sum of positive squares in 2 ways, for example, as 9432914403025 + 37974483574336 = 3071305^2 + 6162344^2 .
It is not a de Polignac number, because 47407397977361 - 230 = 47406324235537 is a prime.
It is a super-2 number, since 2×474073979773612 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47407397977321) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12942215 + ... + 16196163.
It is an arithmetic number, because the mean of its divisors is an integer number (4130001738975).
Almost surely, 247407397977361 is an apocalyptic number.
It is an amenable number.
47407397977361 is a deficient number, since it is larger than the sum of its proper divisors (2152622890339).
47407397977361 is a wasteful number, since it uses less digits than its factorization.
47407397977361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3281536 (or 3281513 counting only the distinct ones).
The product of its (nonzero) digits is 1176221088, while the sum is 74.
The spelling of 47407397977361 in words is "forty-seven trillion, four hundred seven billion, three hundred ninety-seven million, nine hundred seventy-seven thousand, three hundred sixty-one".
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