Base | Representation |
---|---|
bin | 100000111100011100… |
… | …0000100011110010100 |
3 | 20202121111210101020020 |
4 | 1001320320010132110 |
5 | 2124342321103134 |
6 | 52300111105140 |
7 | 5053121220030 |
oct | 1017070043624 |
9 | 222544711206 |
10 | 70747441044 |
11 | 280050a4645 |
12 | 118652121b0 |
13 | 6896257467 |
14 | 35d1dbd1c0 |
15 | 1c91054b49 |
hex | 1078e04794 |
70747441044 has 96 divisors (see below), whose sum is σ = 192622402560. Its totient is φ = 19792988928.
The previous prime is 70747441033. The next prime is 70747441067. The reversal of 70747441044 is 44014474707.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a junction number, because it is equal to n+sod(n) for n = 70747440987 and 70747441005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 810847 + ... + 893849.
It is an arithmetic number, because the mean of its divisors is an integer number (2006483360).
Almost surely, 270747441044 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70747441044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96311201280).
70747441044 is an abundant number, since it is smaller than the sum of its proper divisors (121874961516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70747441044 is a wasteful number, since it uses less digits than its factorization.
70747441044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83229 (or 83227 counting only the distinct ones).
The product of its (nonzero) digits is 351232, while the sum is 42.
The spelling of 70747441044 in words is "seventy billion, seven hundred forty-seven million, four hundred forty-one thousand, forty-four".
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