Base | Representation |
---|---|
bin | 100000111100100000… |
… | …1110101001110000000 |
3 | 20202121200121101110101 |
4 | 1001321001311032000 |
5 | 2124344000000000 |
6 | 52300242012144 |
7 | 5053152035401 |
oct | 1017101651600 |
9 | 222550541411 |
10 | 70750000000 |
11 | 28006592189 |
12 | 11866047054 |
13 | 6896942134 |
14 | 35d24879a8 |
15 | 1c913ace6a |
hex | 1079075380 |
70750000000 has 160 divisors (see below), whose sum is σ = 176806622520. Its totient is φ = 28200000000.
The previous prime is 70749999979. The next prime is 70750000001. The reversal of 70750000000 is 5707.
It is a tau number, because it is divible by the number of its divisors (160).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70750000001) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 249999859 + ... + 250000141.
Almost surely, 270750000000 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 70750000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88403311260).
70750000000 is an abundant number, since it is smaller than the sum of its proper divisors (106056622520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70750000000 is an frugal number, since it uses more digits than its factorization.
70750000000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 342 (or 290 counting only the distinct ones).
The product of its (nonzero) digits is 245, while the sum is 19.
Adding to 70750000000 its reverse (5707), we get a palindrome (70750005707).
The spelling of 70750000000 in words is "seventy billion, seven hundred fifty million", and thus it is an aban number.
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