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2061802131 = 35312967309
BaseRepresentation
bin111101011100100…
…1001101010010011
312022200122101210220
41322321021222103
513210310132011
6540331324123
7102044012634
oct17271115223
95280571726
102061802131
11968919504
124965b0643
1326b20567c
14157b8588b
15c101e506
hex7ae49a93

2061802131 has 8 divisors (see below), whose sum is σ = 2800938960. Its totient is φ = 1348600032.

The previous prime is 2061802123. The next prime is 2061802139. The reversal of 2061802131 is 1312081602.

It is an interprime number because it is at equal distance from previous prime (2061802123) and next prime (2061802139).

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

It is not a de Polignac number, because 2061802131 - 23 = 2061802123 is a prime.

It is a super-2 number, since 2×20618021312 = 8502056054792282322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2061802139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6483496 + ... + 6483813.

It is an arithmetic number, because the mean of its divisors is an integer number (350117370).

Almost surely, 22061802131 is an apocalyptic number.

2061802131 is a deficient number, since it is larger than the sum of its proper divisors (739136829).

2061802131 is a wasteful number, since it uses less digits than its factorization.

2061802131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12967365.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2061802131 is about 45407.0713766039. The cubic root of 2061802131 is about 1272.7672585398.

Adding to 2061802131 its reverse (1312081602), we get a palindrome (3373883733).

The spelling of 2061802131 in words is "two billion, sixty-one million, eight hundred two thousand, one hundred thirty-one".

Divisors: 1 3 53 159 12967309 38901927 687267377 2061802131