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2068558572 = 2231733730089
BaseRepresentation
bin111101101001011…
…1011001011101100
312100011100122220110
41323102323023230
513214022333242
6541132220020
7102155313003
oct17322731354
95304318813
102068558572
11971713743
1249890a610
1326c72ca72
14158a23c3a
15c190639c
hex7b4bb2ec

2068558572 has 48 divisors (see below), whose sum is σ = 5125891680. Its totient is φ = 647012352.

The previous prime is 2068558549. The next prime is 2068558573. The reversal of 2068558572 is 2758558602.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2068558573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53704 + ... + 83792.

It is an arithmetic number, because the mean of its divisors is an integer number (106789410).

Almost surely, 22068558572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2068558572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2562945840).

2068558572 is an abundant number, since it is smaller than the sum of its proper divisors (3057333108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2068558572 is a wasteful number, since it uses less digits than its factorization.

2068558572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30450 (or 30448 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 48.

The square root of 2068558572 is about 45481.4090810740. The cubic root of 2068558572 is about 1274.1560113781.

The spelling of 2068558572 in words is "two billion, sixty-eight million, five hundred fifty-eight thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 337 674 1011 1348 2022 4044 5729 11458 17187 22916 30089 34374 60178 68748 90267 120356 180534 361068 511513 1023026 1534539 2046052 3069078 6138156 10139993 20279986 30419979 40559972 60839958 121679916 172379881 344759762 517139643 689519524 1034279286 2068558572