Base | Representation |
---|---|
bin | 100000101000010011… |
… | …1110110010101110010 |
3 | 20200212110000111202202 |
4 | 1001100213312111302 |
5 | 2122001424201320 |
6 | 52105104143202 |
7 | 5030311011230 |
oct | 1012047662562 |
9 | 220773014682 |
10 | 70072100210 |
11 | 27798968022 |
12 | 116b7007b02 |
13 | 67b93700b8 |
14 | 356a423950 |
15 | 1c51b03b75 |
hex | 10509f6572 |
70072100210 has 16 divisors (see below), whose sum is σ = 144148320576. Its totient is φ = 24024720048.
The previous prime is 70072100207. The next prime is 70072100237. The reversal of 70072100210 is 1200127007.
It is a Curzon number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 500514932 + ... + 500515071.
It is an arithmetic number, because the mean of its divisors is an integer number (9009270036).
Almost surely, 270072100210 is an apocalyptic number.
70072100210 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
70072100210 is an abundant number, since it is smaller than the sum of its proper divisors (74076220366).
70072100210 is a wasteful number, since it uses less digits than its factorization.
70072100210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1001030017.
The product of its (nonzero) digits is 196, while the sum is 20.
Adding to 70072100210 its reverse (1200127007), we get a palindrome (71272227217).
The spelling of 70072100210 in words is "seventy billion, seventy-two million, one hundred thousand, two hundred ten".
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