Base | Representation |
---|---|
bin | 100000111001010001… |
… | …1101110110000011010 |
3 | 20202100010100021020200 |
4 | 1001302203232300122 |
5 | 2124133202232124 |
6 | 52241403203030 |
7 | 5050363245234 |
oct | 1016243566032 |
9 | 222303307220 |
10 | 70641445914 |
11 | 27a60288966 |
12 | 11835816476 |
13 | 687a2c4c50 |
14 | 35c1cab254 |
15 | 1c86ab8bc9 |
hex | 10728eec1a |
70641445914 has 48 divisors (see below), whose sum is σ = 166815990432. Its totient is φ = 21473946144.
The previous prime is 70641445909. The next prime is 70641445921. The reversal of 70641445914 is 41954414607.
It is a self number, because there is not a number n which added to its sum of digits gives 70641445914.
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 23 ways as a sum of consecutive naturals, for example, 1799172 + ... + 1838015.
It is an arithmetic number, because the mean of its divisors is an integer number (3475333134).
Almost surely, 270641445914 is an apocalyptic number.
70641445914 is an abundant number, since it is smaller than the sum of its proper divisors (96174544518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70641445914 is a wasteful number, since it uses less digits than its factorization.
70641445914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3637291 (or 3637288 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 45.
The spelling of 70641445914 in words is "seventy billion, six hundred forty-one million, four hundred forty-five thousand, nine hundred fourteen".
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