Base | Representation |
---|---|
bin | 100001000000101001… |
… | …0111011110011011001 |
3 | 20202222100121010122211 |
4 | 1002001102323303121 |
5 | 2130140001414040 |
6 | 52322114515121 |
7 | 5056455006043 |
oct | 1020122736331 |
9 | 222870533584 |
10 | 70888701145 |
11 | 28077907429 |
12 | 118a4595aa1 |
13 | 68b95b6212 |
14 | 3606a70a93 |
15 | 1c9d6598ea |
hex | 10814bbcd9 |
70888701145 has 16 divisors (see below), whose sum is σ = 87829152768. Its totient is φ = 54869929920.
The previous prime is 70888701119. The next prime is 70888701157. The reversal of 70888701145 is 54110788807.
It is not a de Polignac number, because 70888701145 - 221 = 70886603993 is a prime.
It is a super-2 number, since 2×708887011452 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
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 15 ways as a sum of consecutive naturals, for example, 723847 + ... + 815923.
It is an arithmetic number, because the mean of its divisors is an integer number (5489322048).
Almost surely, 270888701145 is an apocalyptic number.
It is an amenable number.
70888701145 is a deficient number, since it is larger than the sum of its proper divisors (16940451623).
70888701145 is a wasteful number, since it uses less digits than its factorization.
70888701145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97080.
The product of its (nonzero) digits is 501760, while the sum is 49.
The spelling of 70888701145 in words is "seventy billion, eight hundred eighty-eight million, seven hundred one thousand, one hundred forty-five".
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