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161106101 = 13311492683
BaseRepresentation
bin10011001101001…
…00100010110101
3102020011001000122
421212210202311
5312220343401
623553021325
73664244042
oct1146444265
9366131018
10161106101
1182a38442
1245b54845
13274ba070
141757a1c9
15e22521b
hex99a48b5

161106101 has 16 divisors (see below), whose sum is σ = 180364800. Its totient is φ = 142896960.

The previous prime is 161106067. The next prime is 161106119. The reversal of 161106101 is 101601161.

It is a de Polignac number, because none of the positive numbers 2k-161106101 is a prime.

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 161106101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161106181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58706 + ... + 61388.

It is an arithmetic number, because the mean of its divisors is an integer number (11272800).

Almost surely, 2161106101 is an apocalyptic number.

It is an amenable number.

161106101 is a deficient number, since it is larger than the sum of its proper divisors (19258699).

161106101 is a wasteful number, since it uses less digits than its factorization.

161106101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 161106101 is about 12692.7578169600. The cubic root of 161106101 is about 544.1316598950.

Adding to 161106101 its reverse (101601161), we get a palindrome (262707262).

The spelling of 161106101 in words is "one hundred sixty-one million, one hundred six thousand, one hundred one".

Divisors: 1 13 31 149 403 1937 2683 4619 34879 60047 83173 399767 1081249 5196971 12392777 161106101