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109298431393 = 831316848571
BaseRepresentation
bin110010111001010110…
…0011011010110100001
3101110010012021121011121
41211302230123112201
53242320344301033
6122113324412241
710616342223634
oct1456254332641
9343105247147
10109298431393
114239812a248
12192239a7081
13a3cb05b858
14540bd5bc1b
152c9a71562d
hex1972b1b5a1

109298431393 has 4 divisors (see below), whose sum is σ = 110615280048. Its totient is φ = 107981582740.

The previous prime is 109298431391. The next prime is 109298431409. The reversal of 109298431393 is 393134892901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109298431393 - 21 = 109298431391 is a prime.

It is a super-2 number, since 2×1092984313932 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109298431393.

It is not an unprimeable number, because it can be changed into a prime (109298431391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658424203 + ... + 658424368.

It is an arithmetic number, because the mean of its divisors is an integer number (27653820012).

Almost surely, 2109298431393 is an apocalyptic number.

It is an amenable number.

109298431393 is a deficient number, since it is larger than the sum of its proper divisors (1316848655).

109298431393 is an equidigital number, since it uses as much as digits as its factorization.

109298431393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316848654.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The spelling of 109298431393 in words is "one hundred nine billion, two hundred ninety-eight million, four hundred thirty-one thousand, three hundred ninety-three".

Divisors: 1 83 1316848571 109298431393