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77106412211 = 431793172377
BaseRepresentation
bin100011111001111100…
…1100111101010110011
321101000200022120202212
41013303321213222303
52230403220142321
655231110002335
75366524455413
oct1076371475263
9241020276685
1077106412211
112a778617814
1212b3a9463ab
13736a7ca8aa
143a36752643
15201444955b
hex11f3e67ab3

77106412211 has 4 divisors (see below), whose sum is σ = 78899584632. Its totient is φ = 75313239792.

The previous prime is 77106412183. The next prime is 77106412217. The reversal of 77106412211 is 11221460177.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11221460177 = 16811667507.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-77106412211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77106412217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896586146 + ... + 896586231.

It is an arithmetic number, because the mean of its divisors is an integer number (19724896158).

Almost surely, 277106412211 is an apocalyptic number.

77106412211 is a deficient number, since it is larger than the sum of its proper divisors (1793172421).

77106412211 is a wasteful number, since it uses less digits than its factorization.

77106412211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793172420.

The product of its (nonzero) digits is 4704, while the sum is 32.

Adding to 77106412211 its reverse (11221460177), we get a palindrome (88327872388).

The spelling of 77106412211 in words is "seventy-seven billion, one hundred six million, four hundred twelve thousand, two hundred eleven".

Divisors: 1 43 1793172377 77106412211