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13752790391665 = 5132221946310067
BaseRepresentation
bin1100100000100001001000…
…1011111001101101110001
31210200202100121102200101201
43020020102023321231301
53300311203320013130
645125540015131201
72616414652350343
oct310102213715561
953622317380351
1013752790391665
114422586706a56
121661471813b01
13789b62009ab0
143578d249d293
1518cb1d071bca
hexc82122f9b71

13752790391665 has 32 divisors (see below), whose sum is σ = 17784484413696. Its totient is φ = 10149253067520.

The previous prime is 13752790391647. The next prime is 13752790391677. The reversal of 13752790391665 is 56619309725731.

It is not a de Polignac number, because 13752790391665 - 25 = 13752790391633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13752790391597 and 13752790391606.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1366120962 + ... + 1366131028.

It is an arithmetic number, because the mean of its divisors is an integer number (555765137928).

Almost surely, 213752790391665 is an apocalyptic number.

It is an amenable number.

13752790391665 is a deficient number, since it is larger than the sum of its proper divisors (4031694022031).

13752790391665 is a wasteful number, since it uses less digits than its factorization.

13752790391665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21769.

The product of its (nonzero) digits is 64297800, while the sum is 64.

The spelling of 13752790391665 in words is "thirteen trillion, seven hundred fifty-two billion, seven hundred ninety million, three hundred ninety-one thousand, six hundred sixty-five".

Divisors: 1 5 13 65 2221 9463 10067 11105 28873 47315 50335 123019 130871 144365 615095 654355 21017323 22358807 95264021 105086615 111794035 273225199 290664491 476320105 1238432273 1366125995 1453322455 6192161365 211581390641 1057906953205 2750558078333 13752790391665