Search a number
-
+
2120565733 = 111371331631
BaseRepresentation
bin111111001100101…
…0100001111100101
312110210012220022121
41332121110033211
513320331100413
6550231025541
7103356340246
oct17631241745
95423186277
102120565733
11999005470
124b220b2b1
1327a43b930
141618c0ccd
15c627ab8d
hex7e6543e5

2120565733 has 32 divisors (see below), whose sum is σ = 2538031104. Its totient is φ = 1746360000.

The previous prime is 2120565731. The next prime is 2120565739. The reversal of 2120565733 is 3375650212.

It is not a de Polignac number, because 2120565733 - 21 = 2120565731 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120565731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3360328 + ... + 3360958.

It is an arithmetic number, because the mean of its divisors is an integer number (79313472).

Almost surely, 22120565733 is an apocalyptic number.

It is an amenable number.

2120565733 is a deficient number, since it is larger than the sum of its proper divisors (417465371).

2120565733 is a wasteful number, since it uses less digits than its factorization.

2120565733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 2120565733 is about 46049.6007908863. The cubic root of 2120565733 is about 1284.7459177572.

The spelling of 2120565733 in words is "two billion, one hundred twenty million, five hundred sixty-five thousand, seven hundred thirty-three".

Divisors: 1 11 13 71 143 331 631 781 923 3641 4303 6941 8203 10153 23501 44801 47333 90233 208861 258511 305513 492811 582413 2297471 2715193 3360643 6406543 14829131 29867123 163120441 192778703 2120565733