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2068419541 = 31896131223
BaseRepresentation
bin111101101001001…
…1001001111010101
312100011002121012011
41323102121033111
513214003411131
6541125224221
7102154163446
oct17322311725
95304077164
102068419541
11971629241
12498862071
1326c6b16b6
141589c92cd
15c18ca0b1
hex7b4993d5

2068419541 has 16 divisors (see below), whose sum is σ = 2164423680. Its totient is φ = 1974360960.

The previous prime is 2068419527. The next prime is 2068419557. The reversal of 2068419541 is 1459148602.

It is a cyclic number.

It is not a de Polignac number, because 2068419541 - 27 = 2068419413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2068419494 and 2068419503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068419571) 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, 1690656 + ... + 1691878.

It is an arithmetic number, because the mean of its divisors is an integer number (135276480).

Almost surely, 22068419541 is an apocalyptic number.

It is an amenable number.

2068419541 is a deficient number, since it is larger than the sum of its proper divisors (96004139).

2068419541 is a wasteful number, since it uses less digits than its factorization.

2068419541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 2068419541 is about 45479.8806176973. The cubic root of 2068419541 is about 1274.1274647441.

The spelling of 2068419541 in words is "two billion, sixty-eight million, four hundred nineteen thousand, five hundred forty-one".

Divisors: 1 31 89 613 1223 2759 19003 37913 54557 108847 749699 1691267 3374257 23240669 66723211 2068419541