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2063894660 = 225660715619
BaseRepresentation
bin111101100000100…
…1000100010000100
312022211120201012222
41323001020202010
513211324112120
6540444231512
7102100546412
oct17301104204
95284521188
102063894660
1196a018673
1249723b598
1326b788c59
1415816c2b2
15c12d4525
hex7b048884

2063894660 has 24 divisors (see below), whose sum is σ = 4335112320. Its totient is φ = 825380064.

The previous prime is 2063894593. The next prime is 2063894663. The reversal of 2063894660 is 664983602.

It is a super-2 number, since 2×20638946602 = 8519322335153031200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2063894663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124331 + ... + 139949.

It is an arithmetic number, because the mean of its divisors is an integer number (180629680).

Almost surely, 22063894660 is an apocalyptic number.

2063894660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2063894660 is an abundant number, since it is smaller than the sum of its proper divisors (2271217660).

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

2063894660 is a wasteful number, since it uses less digits than its factorization.

2063894660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22235 (or 22233 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 2063894660 is about 45430.1074178787. The cubic root of 2063894660 is about 1273.1976913585.

The spelling of 2063894660 in words is "two billion, sixty-three million, eight hundred ninety-four thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 6607 13214 15619 26428 31238 33035 62476 66070 78095 132140 156190 312380 103194733 206389466 412778932 515973665 1031947330 2063894660