Search a number
-
+
2102031113 = 713171358779
BaseRepresentation
bin111110101001010…
…0111001100001001
312102111100020121012
41331102213030021
513301104443423
6544325453305
7103042653410
oct17522471411
95374306535
102102031113
119895a60a6
124a7b71235
1327664c4c0
1415d258477
15c4819078
hex7d4a7309

2102031113 has 16 divisors (see below), whose sum is σ = 2739300480. Its totient is φ = 1565312256.

The previous prime is 2102031083. The next prime is 2102031143. The reversal of 2102031113 is 3111302012.

It is an interprime number because it is at equal distance from previous prime (2102031083) and next prime (2102031143).

It is a cyclic number.

It is not a de Polignac number, because 2102031113 - 214 = 2102014729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102031143) 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, 677843 + ... + 680936.

It is an arithmetic number, because the mean of its divisors is an integer number (171206280).

Almost surely, 22102031113 is an apocalyptic number.

It is an amenable number.

2102031113 is a deficient number, since it is larger than the sum of its proper divisors (637269367).

2102031113 is a wasteful number, since it uses less digits than its factorization.

2102031113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358816.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2102031113 is about 45847.9128532587. The cubic root of 2102031113 is about 1280.9918892542.

Adding to 2102031113 its reverse (3111302012), we get a palindrome (5213333125).

The spelling of 2102031113 in words is "two billion, one hundred two million, thirty-one thousand, one hundred thirteen".

Divisors: 1 7 13 17 91 119 221 1547 1358779 9511453 17664127 23099243 123648889 161694701 300290159 2102031113