Search a number
-
+
2112302545 = 54353185371
BaseRepresentation
bin111110111100111…
…0010110111010001
312110012200002100121
41331321302313101
513311222140140
6545333550241
7103226163313
oct17571626721
95405602317
102112302545
11994381191
124ab4a5381
13278807782
1416076d7b3
15c569764a
hex7de72dd1

2112302545 has 16 divisors (see below), whose sum is σ = 2642663232. Its totient is φ = 1619392320.

The previous prime is 2112302503. The next prime is 2112302573. The reversal of 2112302545 is 5452032112.

It is a de Polignac number, because none of the positive numbers 2k-2112302545 is a prime.

It is a super-2 number, since 2×21123025452 = 8923644083226954050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81291 + ... + 104080.

It is an arithmetic number, because the mean of its divisors is an integer number (165166452).

Almost surely, 22112302545 is an apocalyptic number.

It is an amenable number.

2112302545 is a deficient number, since it is larger than the sum of its proper divisors (530360687).

2112302545 is a wasteful number, since it uses less digits than its factorization.

2112302545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185472.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2112302545 is about 45959.7926997066. The cubic root of 2112302545 is about 1283.0749931814.

Adding to 2112302545 its reverse (5452032112), we get a palindrome (7564334657).

The spelling of 2112302545 in words is "two billion, one hundred twelve million, three hundred two thousand, five hundred forty-five".

Divisors: 1 5 43 53 215 265 2279 11395 185371 926855 7970953 9824663 39854765 49123315 422460509 2112302545