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5211320011 = 21312445481
BaseRepresentation
bin1001101101001111…
…00110111011001011
3111110012000111010021
410312213212323023
541133044220021
62221040401311
7243066326542
oct46647467313
914405014107
105211320011
112234721947
121015316237
1365087a511
1437618d159
15207799c41
hex1369e6ecb

5211320011 has 4 divisors (see below), whose sum is σ = 5213767624. Its totient is φ = 5208872400.

The previous prime is 5211319991. The next prime is 5211320017. The reversal of 5211320011 is 1100231125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5211320011 - 25 = 5211319979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5211320017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220610 + ... + 1224871.

It is an arithmetic number, because the mean of its divisors is an integer number (1303441906).

Almost surely, 25211320011 is an apocalyptic number.

5211320011 is a deficient number, since it is larger than the sum of its proper divisors (2447613).

5211320011 is a wasteful number, since it uses less digits than its factorization.

5211320011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447612.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 5211320011 is about 72189.4729929510. The cubic root of 5211320011 is about 1733.7344580241.

Adding to 5211320011 its reverse (1100231125), we get a palindrome (6311551136).

The spelling of 5211320011 in words is "five billion, two hundred eleven million, three hundred twenty thousand, eleven".

Divisors: 1 2131 2445481 5211320011