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2040001131 = 37101961811
BaseRepresentation
bin111100110010111…
…1111001001101011
312021011121210110110
41321211333021223
513134220014011
6534232145403
7101360503110
oct17145771153
95234553413
102040001131
11957589053
1248b238263
1326684157c
14154d0c907
15be164ba6
hex7997f26b

2040001131 has 16 divisors (see below), whose sum is σ = 3139354368. Its totient is φ = 1154172000.

The previous prime is 2040001109. The next prime is 2040001151. The reversal of 2040001131 is 1311000402.

It is a happy number.

It is not a de Polignac number, because 2040001131 - 217 = 2039870059 is a prime.

It is a super-2 number, since 2×20400011312 = 8323209228962558322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2040001151) 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, 478785 + ... + 483026.

It is an arithmetic number, because the mean of its divisors is an integer number (196209648).

Almost surely, 22040001131 is an apocalyptic number.

2040001131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2040001131 is a deficient number, since it is larger than the sum of its proper divisors (1099353237).

2040001131 is a wasteful number, since it uses less digits than its factorization.

2040001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961922.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2040001131 is about 45166.3716829236. The cubic root of 2040001131 is about 1268.2653754573.

Adding to 2040001131 its reverse (1311000402), we get a palindrome (3351001533).

The spelling of 2040001131 in words is "two billion, forty million, one thousand, one hundred thirty-one".

Divisors: 1 3 7 21 101 303 707 2121 961811 2885433 6732677 20198031 97142911 291428733 680000377 2040001131