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100111944211 = 813531230587
BaseRepresentation
bin101110100111100100…
…0110000101000010011
3100120101222021200211121
41131033020300220103
53120012124203321
6113554002223111
710142603325316
oct1351710605023
9316358250747
10100111944211
1139503645484
121749b354a97
139595a75a16
144bb9c8097d
15290de9d441
hex174f230a13

100111944211 has 4 divisors (see below), whose sum is σ = 100113256152. Its totient is φ = 100110632272.

The previous prime is 100111944151. The next prime is 100111944227. The reversal of 100111944211 is 112449111001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112449111001 = 496922630129.

It is a cyclic number.

It is not a de Polignac number, because 100111944211 - 29 = 100111943699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100111944271) 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, 533941 + ... + 696646.

It is an arithmetic number, because the mean of its divisors is an integer number (25028314038).

Almost surely, 2100111944211 is an apocalyptic number.

100111944211 is a deficient number, since it is larger than the sum of its proper divisors (1311941).

100111944211 is an equidigital number, since it uses as much as digits as its factorization.

100111944211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311940.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 100111944211 in words is "one hundred billion, one hundred eleven million, nine hundred forty-four thousand, two hundred eleven".

Divisors: 1 81353 1230587 100111944211