Base | Representation |
---|---|
bin | 100000101010011111… |
… | …0000110000101000111 |
3 | 20201001112021021022210 |
4 | 1001110332012011013 |
5 | 2122124112300321 |
6 | 52120231354503 |
7 | 5032155002604 |
oct | 1012476060507 |
9 | 221045237283 |
10 | 70145040711 |
11 | 27826057329 |
12 | 11717522a33 |
13 | 67cb4cb165 |
14 | 3575dad6ab |
15 | 1c58210b76 |
hex | 1054f86147 |
70145040711 has 4 divisors (see below), whose sum is σ = 93526720952. Its totient is φ = 46763360472.
The previous prime is 70145040659. The next prime is 70145040799. The reversal of 70145040711 is 11704054107.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 70145040711 - 210 = 70145039687 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70145040011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11690840116 + ... + 11690840121.
It is an arithmetic number, because the mean of its divisors is an integer number (23381680238).
Almost surely, 270145040711 is an apocalyptic number.
70145040711 is a deficient number, since it is larger than the sum of its proper divisors (23381680241).
70145040711 is a wasteful number, since it uses less digits than its factorization.
70145040711 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23381680240.
The product of its (nonzero) digits is 3920, while the sum is 30.
Adding to 70145040711 its reverse (11704054107), we get a palindrome (81849094818).
The spelling of 70145040711 in words is "seventy billion, one hundred forty-five million, forty thousand, seven hundred eleven".
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