Base | Representation |
---|---|
bin | 100000110001111101… |
… | …0000011001010011111 |
3 | 20201200222210221202211 |
4 | 1001203322003022133 |
5 | 2123132240412211 |
6 | 52201142501251 |
7 | 5041320024316 |
oct | 1014372031237 |
9 | 221628727684 |
10 | 70395638431 |
11 | 27944559088 |
12 | 11787434827 |
13 | 683b3bc931 |
14 | 359b3a327d |
15 | 1c70211e21 |
hex | 1063e8329f |
70395638431 has 8 divisors (see below), whose sum is σ = 72590178528. Its totient is φ = 68223840000.
The previous prime is 70395638389. The next prime is 70395638447. The reversal of 70395638431 is 13483659307.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70395638431 - 229 = 69858767519 is a prime.
It is a super-2 number, since 2×703956384312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70395638471) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5679130 + ... + 5691511.
It is an arithmetic number, because the mean of its divisors is an integer number (9073772316).
Almost surely, 270395638431 is an apocalyptic number.
70395638431 is a deficient number, since it is larger than the sum of its proper divisors (2194540097).
70395638431 is a wasteful number, since it uses less digits than its factorization.
70395638431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11370833.
The product of its (nonzero) digits is 1632960, while the sum is 49.
The spelling of 70395638431 in words is "seventy billion, three hundred ninety-five million, six hundred thirty-eight thousand, four hundred thirty-one".
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