Base | Representation |
---|---|
bin | 100001000000011010… |
… | …0100100000101110000 |
3 | 20202221210121122121100 |
4 | 1002000310210011300 |
5 | 2130130432132241 |
6 | 52321232124400 |
7 | 5056330226604 |
oct | 1020064440560 |
9 | 222853548540 |
10 | 70880739696 |
11 | 28073369918 |
12 | 118a1996700 |
13 | 68b7a594c0 |
14 | 360599b504 |
15 | 1c9cad59b6 |
hex | 1080d24170 |
70880739696 has 240 divisors, whose sum is σ = 217408647456. Its totient is φ = 21425209344.
The previous prime is 70880739649. The next prime is 70880739707. The reversal of 70880739696 is 69693708807.
It is a happy number.
It is a super-2 number, since 2×708807396962 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74375956 + ... + 74376908.
Almost surely, 270880739696 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 70880739696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108704323728).
70880739696 is an abundant number, since it is smaller than the sum of its proper divisors (146527907760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70880739696 is a wasteful number, since it uses less digits than its factorization.
70880739696 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1640 (or 1631 counting only the distinct ones).
The product of its (nonzero) digits is 27433728, while the sum is 63.
The spelling of 70880739696 in words is "seventy billion, eight hundred eighty million, seven hundred thirty-nine thousand, six hundred ninety-six".
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