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30768277717801 = 1319314018320193
BaseRepresentation
bin1101111111011110011000…
…10000111000001100101001
311000221102022011202121002001
412333233030100320030221
513013101413043432201
6145234430205011001
76323635414264411
oct677571420701451
9130842264677061
1030768277717801
11989283170a6a8
12354b121b53a61
131422589275130
1478529a661641
1538554818b301
hex1bfbcc438329

30768277717801 has 16 divisors (see below), whose sum is σ = 36004148938240. Its totient is φ = 26038714844160.

The previous prime is 30768277717799. The next prime is 30768277717843. The reversal of 30768277717801 is 10871777286703.

It is not a de Polignac number, because 30768277717801 - 21 = 30768277717799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30768277757801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2009152440 + ... + 2009167753.

It is an arithmetic number, because the mean of its divisors is an integer number (2250259308640).

Almost surely, 230768277717801 is an apocalyptic number.

30768277717801 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30768277717801 is a deficient number, since it is larger than the sum of its proper divisors (5235871220439).

30768277717801 is a wasteful number, since it uses less digits than its factorization.

30768277717801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018320256.

The product of its (nonzero) digits is 38723328, while the sum is 64.

The spelling of 30768277717801 in words is "thirty trillion, seven hundred sixty-eight billion, two hundred seventy-seven million, seven hundred seventeen thousand, eight hundred one".

Divisors: 1 13 19 31 247 403 589 7657 4018320193 52238162509 76348083667 124567925983 992525087671 1619383037779 2366790593677 30768277717801