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16306679690 = 257232952567
BaseRepresentation
bin11110010111111010…
…00010111110001010
31120002102220011020122
433023331002332022
5231344002222230
611254032423242
71115044330130
oct171375027612
946072804218
1016306679690
116a08771894
1231b10a7b22
1316cb4824c2
14b099a3750
156568c3be5
hex3cbf42f8a

16306679690 has 16 divisors (see below), whose sum is σ = 33545169792. Its totient is φ = 5590861584.

The previous prime is 16306679689. The next prime is 16306679707. The reversal of 16306679690 is 9697660361.

It is a happy number.

It is a super-2 number, since 2×163066796902 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116476214 + ... + 116476353.

It is an arithmetic number, because the mean of its divisors is an integer number (2096573112).

Almost surely, 216306679690 is an apocalyptic number.

16306679690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16306679690 is an abundant number, since it is smaller than the sum of its proper divisors (17238490102).

16306679690 is a wasteful number, since it uses less digits than its factorization.

16306679690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232952581.

The product of its (nonzero) digits is 2204496, while the sum is 53.

The spelling of 16306679690 in words is "sixteen billion, three hundred six million, six hundred seventy-nine thousand, six hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 232952567 465905134 1164762835 1630667969 2329525670 3261335938 8153339845 16306679690