Base | Representation |
---|---|
bin | 100001000000010101… |
… | …1100011000100011100 |
3 | 20202221122011120112012 |
4 | 1002000223203010130 |
5 | 2130124331014340 |
6 | 52321105330352 |
7 | 5056301154161 |
oct | 1020053430434 |
9 | 222848146465 |
10 | 70878376220 |
11 | 28071aa5133 |
12 | 118a10369b8 |
13 | 68b740c7b2 |
14 | 3605544068 |
15 | 1c9c7ba565 |
hex | 1080ae311c |
70878376220 has 48 divisors (see below), whose sum is σ = 151636036608. Its totient is φ = 27824174400.
The previous prime is 70878376181. The next prime is 70878376237. The reversal of 70878376220 is 2267387807.
It is a super-2 number, since 2×708783762202 (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 (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109277 + ... + 392043.
It is an arithmetic number, because the mean of its divisors is an integer number (3159084096).
Almost surely, 270878376220 is an apocalyptic number.
It is an amenable number.
70878376220 is an abundant number, since it is smaller than the sum of its proper divisors (80757660388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70878376220 is a wasteful number, since it uses less digits than its factorization.
70878376220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 283010 (or 283008 counting only the distinct ones).
The product of its (nonzero) digits is 1580544, while the sum is 50.
The spelling of 70878376220 in words is "seventy billion, eight hundred seventy-eight million, three hundred seventy-six thousand, two hundred twenty".
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