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2040121311 = 36793100109
BaseRepresentation
bin111100110011001…
…1100011111011111
312021011211220022120
41321212130133133
513134232340221
6534234514023
7101361513354
oct17146343737
95234756276
102040121311
11957660378
1248b295913
13266884197
14154d4062b
15be18a5c6
hex7999c7df

2040121311 has 8 divisors (see below), whose sum is σ = 2720589360. Its totient is φ = 1359867072.

The previous prime is 2040121301. The next prime is 2040121351. The reversal of 2040121311 is 1131210402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2040121311 - 29 = 2040120799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040121301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29676 + ... + 70433.

It is an arithmetic number, because the mean of its divisors is an integer number (340073670).

Almost surely, 22040121311 is an apocalyptic number.

2040121311 is a deficient number, since it is larger than the sum of its proper divisors (680468049).

2040121311 is a wasteful number, since it uses less digits than its factorization.

2040121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106905.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2040121311 is about 45167.7020779229. The cubic root of 2040121311 is about 1268.2902802049.

Adding to 2040121311 its reverse (1131210402), we get a palindrome (3171331713).

The spelling of 2040121311 in words is "two billion, forty million, one hundred twenty-one thousand, three hundred eleven".

Divisors: 1 3 6793 20379 100109 300327 680040437 2040121311