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109934985161 = 1757689112097
BaseRepresentation
bin110011001100010100…
…0101011111111001001
3101111202120001212210002
41212120220223333021
53300121324011121
6122300424132345
710641201645551
oct1463050537711
9344676055702
10109934985161
1142694484541
12193810070b5
13a49cbb54a1
14546c6dc161
152cd6553e0b
hex1998a2bfc9

109934985161 has 8 divisors (see below), whose sum is σ = 116404805160. Its totient is φ = 103465504768.

The previous prime is 109934985143. The next prime is 109934985191. The reversal of 109934985161 is 161589439901.

It can be written as a sum of positive squares in 4 ways, for example, as 13611655561 + 96323329600 = 116669^2 + 310360^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 109934985161 - 214 = 109934968777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109934985097 and 109934985106.

It is not an unprimeable number, because it can be changed into a prime (109934985191) 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, 924665 + ... + 1036761.

It is an arithmetic number, because the mean of its divisors is an integer number (14550600645).

Almost surely, 2109934985161 is an apocalyptic number.

It is an amenable number.

109934985161 is a deficient number, since it is larger than the sum of its proper divisors (6469819999).

109934985161 is a wasteful number, since it uses less digits than its factorization.

109934985161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169803.

The product of its (nonzero) digits is 2099520, while the sum is 56.

The spelling of 109934985161 in words is "one hundred nine billion, nine hundred thirty-four million, nine hundred eighty-five thousand, one hundred sixty-one".

Divisors: 1 17 57689 112097 980713 1905649 6466763833 109934985161