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100111131097 = 2231597128109
BaseRepresentation
bin101110100111100010…
…1101010000111011001
3100120101220202101110021
41131033011222013121
53120011422143342
6113553532550441
710142563400605
oct1351705520731
9316356671407
10100111131097
113950313a58a
121749b022421
13959584c8a3
144bb9b0c505
15290dd8c567
hex174f16a1d9

100111131097 has 8 divisors (see below), whose sum is σ = 100569934080. Its totient is φ = 99652416720.

The previous prime is 100111131091. The next prime is 100111131193. The reversal of 100111131097 is 790131111001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100111131097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100111131091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3547479 + ... + 3575587.

It is an arithmetic number, because the mean of its divisors is an integer number (12571241760).

Almost surely, 2100111131097 is an apocalyptic number.

It is an amenable number.

100111131097 is a deficient number, since it is larger than the sum of its proper divisors (458802983).

100111131097 is a wasteful number, since it uses less digits than its factorization.

100111131097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44303.

The product of its (nonzero) digits is 189, while the sum is 25.

Adding to 100111131097 its reverse (790131111001), we get a palindrome (890242242098).

The spelling of 100111131097 in words is "one hundred billion, one hundred eleven million, one hundred thirty-one thousand, ninety-seven".

Divisors: 1 223 15971 28109 3561533 6268307 448928839 100111131097