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4205211109 = 11464982231
BaseRepresentation
bin1111101010100110…
…0110110111100101
3101212001211212011121
43322221212313211
532103013223414
61533140133541
7206131463461
oct37251466745
911761755147
104205211109
111868806390
129943972b1
135202b18c8
142bc6d14a1
151992ad724
hexfaa66de5

4205211109 has 8 divisors (see below), whose sum is σ = 4588545600. Its totient is φ = 3822050400.

The previous prime is 4205211077. The next prime is 4205211251. The reversal of 4205211109 is 9011125024.

It is a happy number.

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 4205211109 - 25 = 4205211077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4205211709) 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, 10024 + ... + 92254.

It is an arithmetic number, because the mean of its divisors is an integer number (573568200).

Almost surely, 24205211109 is an apocalyptic number.

It is an amenable number.

4205211109 is a deficient number, since it is larger than the sum of its proper divisors (383334491).

4205211109 is a wasteful number, since it uses less digits than its factorization.

4205211109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86891.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 4205211109 is about 64847.5990997354. The cubic root of 4205211109 is about 1614.0956521876.

The spelling of 4205211109 in words is "four billion, two hundred five million, two hundred eleven thousand, one hundred nine".

Divisors: 1 11 4649 51139 82231 904541 382291919 4205211109