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71552284211 = 313228601547
BaseRepresentation
bin100001010100011011…
…0010011011000110011
320211200121020122111102
41002220312103120303
52133014341043321
652512021435015
75112063244412
oct1025066233063
9224617218442
1071552284211
1128388443191
1211a4a86ba6b
136993c14915
14366ac49479
151cdba36c0b
hex10a8d93633

71552284211 has 4 divisors (see below), whose sum is σ = 71780886072. Its totient is φ = 71323682352.

The previous prime is 71552284201. The next prime is 71552284267. The reversal of 71552284211 is 11248225517.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11248225517 = 94671188151.

It is a cyclic number.

It is not a de Polignac number, because 71552284211 - 226 = 71485175347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71552284201) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 114300461 + ... + 114301086.

It is an arithmetic number, because the mean of its divisors is an integer number (17945221518).

Almost surely, 271552284211 is an apocalyptic number.

71552284211 is a deficient number, since it is larger than the sum of its proper divisors (228601861).

71552284211 is a wasteful number, since it uses less digits than its factorization.

71552284211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228601860.

The product of its digits is 44800, while the sum is 38.

The spelling of 71552284211 in words is "seventy-one billion, five hundred fifty-two million, two hundred eighty-four thousand, two hundred eleven".

Divisors: 1 313 228601547 71552284211