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2101253113 = 23397230123
BaseRepresentation
bin111110100111110…
…1001001111111001
312102102212201101101
41331033221033321
513300410044423
6544301051401
7103033233241
oct17517511771
95372781341
102101253113
11989114623
124a7856b61
1327643934b
1415d0d4b21
15c47137ad
hex7d3e93f9

2101253113 has 8 divisors (see below), whose sum is σ = 2198144448. Its totient is φ = 2004822864.

The previous prime is 2101253069. The next prime is 2101253117. The reversal of 2101253113 is 3113521012.

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 2101253113 - 229 = 1564382201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101253117) 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, 105931 + ... + 124192.

It is an arithmetic number, because the mean of its divisors is an integer number (274768056).

Almost surely, 22101253113 is an apocalyptic number.

2101253113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2101253113 is a deficient number, since it is larger than the sum of its proper divisors (96891335).

2101253113 is a wasteful number, since it uses less digits than its factorization.

2101253113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230543.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2101253113 is about 45839.4274942434. The cubic root of 2101253113 is about 1280.8338302759.

Adding to 2101253113 its reverse (3113521012), we get a palindrome (5214774125).

The spelling of 2101253113 in words is "two billion, one hundred one million, two hundred fifty-three thousand, one hundred thirteen".

Divisors: 1 23 397 9131 230123 5292829 91358831 2101253113