Base | Representation |
---|---|
bin | 1101001000110010… |
… | …01101000001110001 |
3 | 200012112112102210211 |
4 | 12210121031001301 |
5 | 103421034201211 |
6 | 3123511024121 |
7 | 336531555034 |
oct | 64431150161 |
9 | 20175472724 |
10 | 7053037681 |
11 | 2a9a28a668 |
12 | 144a06b041 |
13 | 8852b5ba1 |
14 | 4aca0501b |
15 | 2b42e3e21 |
hex | 1a464d071 |
7053037681 has 2 divisors, whose sum is σ = 7053037682. Its totient is φ = 7053037680.
The previous prime is 7053037661. The next prime is 7053037721. The reversal of 7053037681 is 1867303507.
It is an a-pointer prime, because the next prime (7053037721) can be obtained adding 7053037681 to its sum of digits (40).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3526578225 + 3526459456 = 59385^2 + 59384^2 .
It is a cyclic number.
It is not a de Polignac number, because 7053037681 - 215 = 7053004913 is a prime.
It is a super-2 number, since 2×70530376812 = 99490681059211715522, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (7053037601) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3526518840 + 3526518841.
It is an arithmetic number, because the mean of its divisors is an integer number (3526518841).
Almost surely, 27053037681 is an apocalyptic number.
7053037681 is the 59385-th centered square number.
It is an amenable number.
7053037681 is a deficient number, since it is larger than the sum of its proper divisors (1).
7053037681 is an equidigital number, since it uses as much as digits as its factorization.
7053037681 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 105840, while the sum is 40.
The square root of 7053037681 is about 83982.3652977219. The cubic root of 7053037681 is about 1917.7503382842.
The spelling of 7053037681 in words is "seven billion, fifty-three million, thirty-seven thousand, six hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •