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6220378121 = 89423116519
BaseRepresentation
bin1011100101100001…
…10111000000001001
3121001111201221121212
411302300313000021
5100214404044441
62505124142505
7310101225116
oct56260670011
917044657555
106220378121
112702272171
121257237a35
13781939619
144301b790d
15266169eeb
hex172c37009

6220378121 has 8 divisors (see below), whose sum is σ = 6292137600. Its totient is φ = 6148660320.

The previous prime is 6220378097. The next prime is 6220378159. The reversal of 6220378121 is 1218730226.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6220378121 - 218 = 6220115977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6220978121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368300 + ... + 384818.

It is an arithmetic number, because the mean of its divisors is an integer number (786517200).

Almost surely, 26220378121 is an apocalyptic number.

It is an amenable number.

6220378121 is a deficient number, since it is larger than the sum of its proper divisors (71759479).

6220378121 is a wasteful number, since it uses less digits than its factorization.

6220378121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20839.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 6220378121 is about 78869.3737834909. The cubic root of 6220378121 is about 1839.1010614630.

The spelling of 6220378121 in words is "six billion, two hundred twenty million, three hundred seventy-eight thousand, one hundred twenty-one".

Divisors: 1 89 4231 16519 376559 1470191 69891889 6220378121