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107297597891 = 1197199505327
BaseRepresentation
bin110001111101101101…
…1110110100111000011
3101020221202100201121002
41203323123312213003
53224221141113031
6121143011522215
710515635351051
oct1437333664703
9336852321532
10107297597891
1141560773440
12189658b936b
13a16c681cc3
14529c3271d1
152bcec3accb
hex18fb6f69c3

107297597891 has 16 divisors (see below), whose sum is σ = 118853145600. Its totient is φ = 96052366080.

The previous prime is 107297597863. The next prime is 107297597899. The reversal of 107297597891 is 198795792701.

It is not a de Polignac number, because 107297597891 - 222 = 107293403587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107297597899) 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 15 ways as a sum of consecutive naturals, for example, 40331 + ... + 464996.

It is an arithmetic number, because the mean of its divisors is an integer number (7428321600).

Almost surely, 2107297597891 is an apocalyptic number.

107297597891 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

107297597891 is a deficient number, since it is larger than the sum of its proper divisors (11555547709).

107297597891 is a wasteful number, since it uses less digits than its factorization.

107297597891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505634.

The product of its (nonzero) digits is 20003760, while the sum is 65.

The spelling of 107297597891 in words is "one hundred seven billion, two hundred ninety-seven million, five hundred ninety-seven thousand, eight hundred ninety-one".

Divisors: 1 11 97 199 1067 2189 19303 212333 505327 5558597 49016719 100560073 539183909 1106160803 9754327081 107297597891