Base | Representation |
---|---|
bin | 100000101010111110… |
… | …0000000011000101000 |
3 | 20201002122210211011010 |
4 | 1001111330000120220 |
5 | 2122142241122222 |
6 | 52122011303520 |
7 | 5032442646330 |
oct | 1012574003050 |
9 | 221078724133 |
10 | 70161270312 |
11 | 27834231921 |
12 | 11720a4aba0 |
13 | 6801991383 |
14 | 35781d60c0 |
15 | 1c5986980c |
hex | 1055f00628 |
70161270312 has 64 divisors (see below), whose sum is σ = 200579713920. Its totient is φ = 20034183168.
The previous prime is 70161270271. The next prime is 70161270329. The reversal of 70161270312 is 21307216107.
It is a self number, because there is not a number n which added to its sum of digits gives 70161270312.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 162048 + ... + 408144.
It is an arithmetic number, because the mean of its divisors is an integer number (3134058030).
Almost surely, 270161270312 is an apocalyptic number.
It is an amenable number.
70161270312 is an abundant number, since it is smaller than the sum of its proper divisors (130418443608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70161270312 is a wasteful number, since it uses less digits than its factorization.
70161270312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 247810 (or 247806 counting only the distinct ones).
The product of its (nonzero) digits is 3528, while the sum is 30.
Adding to 70161270312 its reverse (21307216107), we get a palindrome (91468486419).
The spelling of 70161270312 in words is "seventy billion, one hundred sixty-one million, two hundred seventy thousand, three hundred twelve".
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