Base | Representation |
---|---|
bin | 111111001001000000… |
… | …000100110001101100 |
3 | 20110222212112201021021 |
4 | 333021000010301230 |
5 | 2102321431440140 |
6 | 51051223343524 |
7 | 4620031601401 |
oct | 771100046154 |
9 | 213885481237 |
10 | 67796749420 |
11 | 26830552324 |
12 | 11180bb1ba4 |
13 | 6515b4859a |
14 | 33d21702a8 |
15 | 1b6bea0b4a |
hex | fc9004c6c |
67796749420 has 24 divisors (see below), whose sum is σ = 142458548400. Its totient is φ = 27102437952.
The previous prime is 67796749367. The next prime is 67796749439. The reversal of 67796749420 is 2494769776.
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, 982150 + ... + 1048909.
It is an arithmetic number, because the mean of its divisors is an integer number (5935772850).
Almost surely, 267796749420 is an apocalyptic number.
It is an amenable number.
67796749420 is an abundant number, since it is smaller than the sum of its proper divisors (74661798980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67796749420 is a wasteful number, since it uses less digits than its factorization.
67796749420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2032737 (or 2032735 counting only the distinct ones).
The product of its (nonzero) digits is 32006016, while the sum is 61.
It can be divided in two parts, 67796 and 749420, that added together give a square (817216 = 9042).
The spelling of 67796749420 in words is "sixty-seven billion, seven hundred ninety-six million, seven hundred forty-nine thousand, four hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.096 sec. • engine limits •