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2061249229 = 13220815861
BaseRepresentation
bin111101011011100…
…0010101011001101
312022122121022101001
41322313002223031
513210134433404
6540311420301
7102036220654
oct17267025315
95278538331
102061249229
11968581066
12496384691
1326b070b00
14157a8019b
15c0e607a4
hex7adc2acd

2061249229 has 12 divisors (see below), whose sum is σ = 2233457172. Its totient is φ = 1901452800.

The previous prime is 2061249227. The next prime is 2061249251. The reversal of 2061249229 is 9229421602.

It can be written as a sum of positive squares in 6 ways, for example, as 432723204 + 1628526025 = 20802^2 + 40355^2 .

It is not a de Polignac number, because 2061249229 - 21 = 2061249227 is a prime.

It is a super-3 number, since 3×20612492293 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061249227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348759 + ... + 354619.

It is an arithmetic number, because the mean of its divisors is an integer number (186121431).

Almost surely, 22061249229 is an apocalyptic number.

It is an amenable number.

2061249229 is a deficient number, since it is larger than the sum of its proper divisors (172207943).

2061249229 is a wasteful number, since it uses less digits than its factorization.

2061249229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7968 (or 7955 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 2061249229 is about 45400.9826876027. The cubic root of 2061249229 is about 1272.6534780650.

The spelling of 2061249229 in words is "two billion, sixty-one million, two hundred forty-nine thousand, two hundred twenty-nine".

Divisors: 1 13 169 2081 5861 27053 76193 351689 990509 12196741 158557633 2061249229