Search a number
-
+
2113545142 = 219389142981
BaseRepresentation
bin111110111111010…
…0010001110110110
312110022000012212201
41331332202032312
513312031421032
6545420335114
7103242560122
oct17576421666
95408005781
102113545142
1199504a825
124ab9a449a
13278b51237
141609b4582
15c58408e7
hex7dfa23b6

2113545142 has 16 divisors (see below), whose sum is σ = 3345778800. Its totient is φ = 998572320.

The previous prime is 2113545079. The next prime is 2113545151. The reversal of 2113545142 is 2415453112.

It is a self number, because there is not a number n which added to its sum of digits gives 2113545142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56709 + ... + 86272.

It is an arithmetic number, because the mean of its divisors is an integer number (209111175).

Almost surely, 22113545142 is an apocalyptic number.

2113545142 is a deficient number, since it is larger than the sum of its proper divisors (1232233658).

2113545142 is a wasteful number, since it uses less digits than its factorization.

2113545142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143391.

The product of its digits is 4800, while the sum is 28.

The square root of 2113545142 is about 45973.3090172983. The cubic root of 2113545142 is about 1283.3265405761.

Adding to 2113545142 its reverse (2415453112), we get a palindrome (4528998254).

The spelling of 2113545142 in words is "two billion, one hundred thirteen million, five hundred forty-five thousand, one hundred forty-two".

Divisors: 1 2 19 38 389 778 7391 14782 142981 285962 2716639 5433278 55619609 111239218 1056772571 2113545142