Base | Representation |
---|---|
bin | 100000101111011100… |
… | …1001100111001000010 |
3 | 20201111010112210202121 |
4 | 1001132321030321002 |
5 | 2122444222430200 |
6 | 52144540034454 |
7 | 5036246100346 |
oct | 1013671147102 |
9 | 221433483677 |
10 | 70311530050 |
11 | 27901031223 |
12 | 11763232a2a |
13 | 6826b51568 |
14 | 359014b626 |
15 | 1c67b4ae1a |
hex | 105ee4ce42 |
70311530050 has 12 divisors (see below), whose sum is σ = 130779445986. Its totient is φ = 28124612000.
The previous prime is 70311530041. The next prime is 70311530053. The reversal of 70311530050 is 5003511307.
It can be written as a sum of positive squares in 3 ways, for example, as 42869288401 + 27442241649 = 207049^2 + 165657^2 .
It is a super-2 number, since 2×703115300502 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a junction number, because it is equal to n+sod(n) for n = 70311529997 and 70311530024.
It is not an unprimeable number, because it can be changed into a prime (70311530053) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 703115251 + ... + 703115350.
Almost surely, 270311530050 is an apocalyptic number.
70311530050 is a deficient number, since it is larger than the sum of its proper divisors (60467915936).
70311530050 is a wasteful number, since it uses less digits than its factorization.
70311530050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1406230613 (or 1406230608 counting only the distinct ones).
The product of its (nonzero) digits is 1575, while the sum is 25.
The spelling of 70311530050 in words is "seventy billion, three hundred eleven million, five hundred thirty thousand, fifty".
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