Base | Representation |
---|---|
bin | 100000101000010011… |
… | …1101000000000100111 |
3 | 20200212102220112020201 |
4 | 1001100213220000213 |
5 | 2122001420312021 |
6 | 52105103011331 |
7 | 5030310345133 |
oct | 1012047500047 |
9 | 220772815221 |
10 | 70072041511 |
11 | 27798927a0a |
12 | 116b6b99b47 |
13 | 67b934c474 |
14 | 356a40a3c3 |
15 | 1c51ae1591 |
hex | 10509e8027 |
70072041511 has 4 divisors (see below), whose sum is σ = 70072851024. Its totient is φ = 70071232000.
The previous prime is 70072041509. The next prime is 70072041541. The reversal of 70072041511 is 11514027007.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 70072041511 - 21 = 70072041509 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 70072041511.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70072041541) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256915 + ... + 454036.
It is an arithmetic number, because the mean of its divisors is an integer number (17518212756).
Almost surely, 270072041511 is an apocalyptic number.
70072041511 is a deficient number, since it is larger than the sum of its proper divisors (809513).
70072041511 is an equidigital number, since it uses as much as digits as its factorization.
70072041511 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 809512.
The product of its (nonzero) digits is 1960, while the sum is 28.
Adding to 70072041511 its reverse (11514027007), we get a palindrome (81586068518).
The spelling of 70072041511 in words is "seventy billion, seventy-two million, forty-one thousand, five hundred eleven".
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