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516993472801 = 1317191933591777
BaseRepresentation
bin1111000010111110011…
…01100101100100100001
31211102110011102120112001
413201133031211210201
531432300312112201
61033300432204001
752231403004001
oct7413715454441
91742404376461
10516993472801
1118a28a3790a3
1284244099601
13399a1997220
141b0460c4001
15d6ac96b301
hex785f365921

516993472801 has 64 divisors (see below), whose sum is σ = 625844620800. Its totient is φ = 421891670016.

The previous prime is 516993472739. The next prime is 516993472847. The reversal of 516993472801 is 108274399615.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 516993472801 - 27 = 516993472673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516993472861) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 290935225 + ... + 290937001.

It is an arithmetic number, because the mean of its divisors is an integer number (9778822200).

It is a 1-persistent number, because it is pandigital, but 2⋅516993472801 = 1033986945602 is not.

Almost surely, 2516993472801 is an apocalyptic number.

It is an amenable number.

516993472801 is a deficient number, since it is larger than the sum of its proper divisors (108851147999).

516993472801 is a wasteful number, since it uses less digits than its factorization.

516993472801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 516993472801 in words is "five hundred sixteen billion, nine hundred ninety-three million, four hundred seventy-two thousand, eight hundred one".

Divisors: 1 13 17 19 193 221 247 323 359 1777 2509 3281 3667 4199 4667 6103 6821 23101 30209 33763 42653 47671 62339 69287 79339 88673 115957 342961 392717 438919 573971 637943 810407 900731 1177879 1316453 1507441 4458493 5830337 6516259 7461623 8293259 10845031 12120917 15312427 17113889 22379701 75794381 84711367 110776403 123122999 140985403 157571921 206055589 290936113 1440093239 1600598987 2093090983 2339336981 2678722657 27210182779 30411380753 39768728677 516993472801