Base | Representation |
---|---|
bin | 100000101111011001… |
… | …1011111000100111000 |
3 | 20201111000201200101010 |
4 | 1001132303133010320 |
5 | 2122443332003142 |
6 | 52144443553520 |
7 | 5036230260036 |
oct | 1013663370470 |
9 | 221430650333 |
10 | 70310031672 |
11 | 279001a84a1 |
12 | 1176282b8a0 |
13 | 682674854a |
14 | 358dc7b556 |
15 | 1c67951e9c |
hex | 105ecdf138 |
70310031672 has 32 divisors (see below), whose sum is σ = 186114790800. Its totient is φ = 22058049024.
The previous prime is 70310031641. The next prime is 70310031683. The reversal of 70310031672 is 27613001307.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86163847 + ... + 86164662.
Almost surely, 270310031672 is an apocalyptic number.
It is an amenable number.
70310031672 is an abundant number, since it is smaller than the sum of its proper divisors (115804759128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70310031672 is a wasteful number, since it uses less digits than its factorization.
70310031672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172328535 (or 172328531 counting only the distinct ones).
The product of its (nonzero) digits is 5292, while the sum is 30.
Adding to 70310031672 its reverse (27613001307), we get a palindrome (97923032979).
The spelling of 70310031672 in words is "seventy billion, three hundred ten million, thirty-one thousand, six hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •