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16461900607471 = 112151900985201
BaseRepresentation
bin1110111110001101010110…
…1111001110111111101111
32011021202001011020211202221
43233203111233032333233
54124202433023414341
655002254233100211
73316222146264034
oct357432557167757
964252034224687
1016461900607471
1152774a8806400
121a1a515257667
1392547326aa27
1440ca9015938b
151d8329d04ed1
hexef8d5bcefef

16461900607471 has 12 divisors (see below), whose sum is σ = 18214316843632. Its totient is φ = 14866255800000.

The previous prime is 16461900607463. The next prime is 16461900607511. The reversal of 16461900607471 is 17470600916461.

It is not a de Polignac number, because 16461900607471 - 23 = 16461900607463 is a prime.

It is a super-3 number, since 3×164619006074713 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16461900605471) 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, 450474330 + ... + 450510871.

Almost surely, 216461900607471 is an apocalyptic number.

16461900607471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16461900607471 is a deficient number, since it is larger than the sum of its proper divisors (1752416236161).

16461900607471 is a wasteful number, since it uses less digits than its factorization.

16461900607471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900985374 (or 900985363 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 16461900607471 in words is "sixteen trillion, four hundred sixty-one billion, nine hundred million, six hundred seven thousand, four hundred seventy-one".

Divisors: 1 11 121 151 1661 18271 900985201 9910837211 109019209321 136048765351 1496536418861 16461900607471