Base | Representation |
---|---|
bin | 10010000100110011000… |
… | …00101110001100011110 |
3 | 2012101001002121121100010 |
4 | 21002121200232030132 |
5 | 40133403000014434 |
6 | 1153150133344050 |
7 | 62604134356512 |
oct | 11023140561436 |
9 | 2171032547303 |
10 | 621050782494 |
11 | 21a427a80aaa |
12 | a0444798026 |
13 | 46745c4291c |
14 | 220b7d36142 |
15 | 1124ce9b9e9 |
hex | 909982e31e |
621050782494 has 32 divisors (see below), whose sum is σ = 1246586279040. Its totient is φ = 206270824032.
The previous prime is 621050782433. The next prime is 621050782519. The reversal of 621050782494 is 494287050126.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1679712 + ... + 2015820.
It is an arithmetic number, because the mean of its divisors is an integer number (38955821220).
Almost surely, 2621050782494 is an apocalyptic number.
621050782494 is an abundant number, since it is smaller than the sum of its proper divisors (625535496546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
621050782494 is a wasteful number, since it uses less digits than its factorization.
621050782494 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 337224.
The product of its (nonzero) digits is 967680, while the sum is 48.
The spelling of 621050782494 in words is "six hundred twenty-one billion, fifty million, seven hundred eighty-two thousand, four hundred ninety-four".
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