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4287320811 = 32476368979
BaseRepresentation
bin1111111110001011…
…0101001011101011
3102001210100110111200
43333202311023223
532240023231221
61545232055243
7211146424404
oct37742651353
912053313450
104287320811
111900098644
129b7994523
13534300327
142c95869ab
151a15cc426
hexff8b52eb

4287320811 has 6 divisors (see below), whose sum is σ = 6192796740. Its totient is φ = 2858213868.

The previous prime is 4287320809. The next prime is 4287320813. The reversal of 4287320811 is 1180237824.

It is an interprime number because it is at equal distance from previous prime (4287320809) and next prime (4287320813).

It is not a de Polignac number, because 4287320811 - 21 = 4287320809 is a prime.

It is a super-2 number, since 2×42873208112 = 36762239472867395442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4287320813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 238184481 + ... + 238184498.

It is an arithmetic number, because the mean of its divisors is an integer number (1032132790).

Almost surely, 24287320811 is an apocalyptic number.

4287320811 is a deficient number, since it is larger than the sum of its proper divisors (1905475929).

4287320811 is a wasteful number, since it uses less digits than its factorization.

4287320811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476368985 (or 476368982 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 4287320811 is about 65477.6359606851. The cubic root of 4287320811 is about 1624.5334595672.

The spelling of 4287320811 in words is "four billion, two hundred eighty-seven million, three hundred twenty thousand, eight hundred eleven".

Divisors: 1 3 9 476368979 1429106937 4287320811