Search a number
-
+
2049121933 = 29474213571
BaseRepresentation
bin111101000100011…
…0001111010001101
312021210210011211221
41322020301322031
513144033400213
6535155443341
7101531151265
oct17210617215
95253704757
102049121933
11961748701
124922b6551
132686b5bb1
141562047a5
15bed6738d
hex7a231e8d

2049121933 has 16 divisors (see below), whose sum is σ = 2170632960. Its totient is φ = 1931227200.

The previous prime is 2049121931. The next prime is 2049121939. The reversal of 2049121933 is 3391219402.

It is a cyclic number.

It is not a de Polignac number, because 2049121933 - 21 = 2049121931 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049121931) 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, 572038 + ... + 575608.

It is an arithmetic number, because the mean of its divisors is an integer number (135664560).

Almost surely, 22049121933 is an apocalyptic number.

It is an amenable number.

2049121933 is a deficient number, since it is larger than the sum of its proper divisors (121511027).

2049121933 is a wasteful number, since it uses less digits than its factorization.

2049121933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 2049121933 is about 45267.2280242561. The cubic root of 2049121933 is about 1270.1526947659.

It can be divided in two parts, 20491 and 21933, that added together give a palindrome (42424).

The spelling of 2049121933 in words is "two billion, forty-nine million, one hundred twenty-one thousand, nine hundred thirty-three".

Divisors: 1 29 47 421 1363 3571 12209 19787 103559 167837 573823 1503391 4867273 43598339 70659377 2049121933