Base | Representation |
---|---|
bin | 100000110001100111… |
… | …1101101000111010110 |
3 | 20201200012220222221100 |
4 | 1001203033231013112 |
5 | 2123121420204240 |
6 | 52200104530530 |
7 | 5041123462620 |
oct | 1014317550726 |
9 | 221605828840 |
10 | 70384538070 |
11 | 27939267230 |
12 | 11783780a46 |
13 | 6839004282 |
14 | 3599b13c10 |
15 | 1c6e26ce30 |
hex | 10633ed1d6 |
70384538070 has 192 divisors, whose sum is σ = 235516170240. Its totient is φ = 14153529600.
The previous prime is 70384538069. The next prime is 70384538071. The reversal of 70384538070 is 7083548307.
It is an interprime number because it is at equal distance from previous prime (70384538069) and next prime (70384538071).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70384538071) by changing a digit.
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 95 ways as a sum of consecutive naturals, for example, 51016 + ... + 378644.
It is an arithmetic number, because the mean of its divisors is an integer number (1226646720).
Almost surely, 270384538070 is an apocalyptic number.
70384538070 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 70384538070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117758085120).
70384538070 is an abundant number, since it is smaller than the sum of its proper divisors (165131632170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70384538070 is a wasteful number, since it uses less digits than its factorization.
70384538070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 327691 (or 327688 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 45.
The spelling of 70384538070 in words is "seventy billion, three hundred eighty-four million, five hundred thirty-eight thousand, seventy".
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