Base | Representation |
---|---|
bin | 100000110001110000… |
… | …0010011010001100000 |
3 | 20201200112010000211202 |
4 | 1001203200103101200 |
5 | 2123124023414142 |
6 | 52200342100332 |
7 | 5041205452604 |
oct | 1014340232140 |
9 | 221615100752 |
10 | 70388888672 |
11 | 27940768973 |
12 | 1178511a6a8 |
13 | 6839b985ab |
14 | 359a527504 |
15 | 1c6e82c032 |
hex | 1063813460 |
70388888672 has 48 divisors (see below), whose sum is σ = 149267930112. Its totient is φ = 32578296960.
The previous prime is 70388888659. The next prime is 70388888693. The reversal of 70388888672 is 27688888307.
It is a junction number, because it is equal to n+sod(n) for n = 70388888599 and 70388888608.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1519718 + ... + 1565349.
It is an arithmetic number, because the mean of its divisors is an integer number (3109748544).
Almost surely, 270388888672 is an apocalyptic number.
It is an amenable number.
70388888672 is an abundant number, since it is smaller than the sum of its proper divisors (78879041440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70388888672 is a wasteful number, since it uses less digits than its factorization.
70388888672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3085131 (or 3085123 counting only the distinct ones).
The product of its (nonzero) digits is 57802752, while the sum is 65.
The spelling of 70388888672 in words is "seventy billion, three hundred eighty-eight million, eight hundred eighty-eight thousand, six hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •