Base | Representation |
---|---|
bin | 100000101011001110… |
… | …0111001111100111000 |
3 | 20201010021000222121100 |
4 | 1001112130321330320 |
5 | 2122201443112322 |
6 | 52122520211400 |
7 | 5032606156341 |
oct | 1012634717470 |
9 | 221107028540 |
10 | 70169894712 |
11 | 27839092525 |
12 | 11723909b60 |
13 | 68036c0a78 |
14 | 35793dd0c8 |
15 | 1c5a4bedac |
hex | 1056739f38 |
70169894712 has 96 divisors (see below), whose sum is σ = 192537146880. Its totient is φ = 23084974080.
The previous prime is 70169894651. The next prime is 70169894737. The reversal of 70169894712 is 21749896107.
70169894712 is a `hidden beast` number, since 7 + 0 + 169 + 8 + 9 + 471 + 2 = 666.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
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 23 ways as a sum of consecutive naturals, for example, 1744912 + ... + 1784672.
It is an arithmetic number, because the mean of its divisors is an integer number (2005595280).
Almost surely, 270169894712 is an apocalyptic number.
70169894712 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70169894712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96268573440).
70169894712 is an abundant number, since it is smaller than the sum of its proper divisors (122367252168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70169894712 is a wasteful number, since it uses less digits than its factorization.
70169894712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40093 (or 40086 counting only the distinct ones).
The product of its (nonzero) digits is 1524096, while the sum is 54.
The spelling of 70169894712 in words is "seventy billion, one hundred sixty-nine million, eight hundred ninety-four thousand, seven hundred twelve".
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