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2106902113 = 29794911873
BaseRepresentation
bin111110110010100…
…1100011001100001
312102211111201100121
41331211030121201
513303331331423
6545022120241
7103132241521
oct17545143141
95384451317
102106902113
11991322818
124a9720081
13277666654
1415db65681
15c4e7c45d
hex7d94c661

2106902113 has 16 divisors (see below), whose sum is σ = 2212819200. Its totient is φ = 2003339520.

The previous prime is 2106902111. The next prime is 2106902159. The reversal of 2106902113 is 3112096012.

It is a cyclic number.

It is not a de Polignac number, because 2106902113 - 21 = 2106902111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106902111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1123945 + ... + 1125817.

It is an arithmetic number, because the mean of its divisors is an integer number (138301200).

Almost surely, 22106902113 is an apocalyptic number.

It is an amenable number.

2106902113 is a deficient number, since it is larger than the sum of its proper divisors (105917087).

2106902113 is a wasteful number, since it uses less digits than its factorization.

2106902113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2106902113 is about 45901.0033986186. The cubic root of 2106902113 is about 1281.9805993204.

Adding to 2106902113 its reverse (3112096012), we get a palindrome (5218998125).

The spelling of 2106902113 in words is "two billion, one hundred six million, nine hundred two thousand, one hundred thirteen".

Divisors: 1 29 79 491 1873 2291 14239 38789 54317 147967 919643 1124881 4291043 26669647 72651797 2106902113