Base | Representation |
---|---|
bin | 100001000000001001… |
… | …1110010101010000000 |
3 | 20202221012110011211220 |
4 | 1002000103302222000 |
5 | 2130121232223413 |
6 | 52320324035040 |
7 | 5056164215652 |
oct | 1020023625200 |
9 | 222835404756 |
10 | 70872148608 |
11 | 28069531248 |
12 | 1189ab32a80 |
13 | 68b603c011 |
14 | 36047a26d2 |
15 | 1c9be8a223 |
hex | 10804f2a80 |
70872148608 has 128 divisors (see below), whose sum is σ = 190012046400. Its totient is φ = 23404093440.
The previous prime is 70872148559. The next prime is 70872148673. The reversal of 70872148608 is 80684127807.
It is a tau number, because it is divible by the number of its divisors (128).
It is a super-2 number, since 2×708721486082 (a number of 23 digits) contains 22 as substring.
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 15 ways as a sum of consecutive naturals, for example, 54981628 + ... + 54982916.
Almost surely, 270872148608 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 70872148608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95006023200).
70872148608 is an abundant number, since it is smaller than the sum of its proper divisors (119139897792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70872148608 is a wasteful number, since it uses less digits than its factorization.
70872148608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2530 (or 2518 counting only the distinct ones).
The product of its (nonzero) digits is 1204224, while the sum is 51.
The spelling of 70872148608 in words is "seventy billion, eight hundred seventy-two million, one hundred forty-eight thousand, six hundred eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •