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275405634606161 = 3130211294066821
BaseRepresentation
bin111110100111101011011111…
…000001010001010001010001
31100010010112002012102222100002
4332213223133001101101101
5242044221214424344121
62413423334002535345
7112003254236102153
oct7647533701212121
91303115065388302
10275405634606161
117a830967a1a334
1226a7b559967555
13ba89841b4b057
144c019bd48aad3
1521c8dec6ace0b
hexfa7adf051451

275405634606161 has 8 divisors (see below), whose sum is σ = 284299098440448. Its totient is φ = 266512758966000.

The previous prime is 275405634605929. The next prime is 275405634606169. The reversal of 275405634606161 is 161606436504572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 275405634606161 - 238 = 275130756699217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 275405634606097 and 275405634606106.

It is not an unprimeable number, because it can be changed into a prime (275405634606169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146096870 + ... + 147969951.

It is an arithmetic number, because the mean of its divisors is an integer number (35537387305056).

Almost surely, 2275405634606161 is an apocalyptic number.

It is an amenable number.

275405634606161 is a deficient number, since it is larger than the sum of its proper divisors (8893463834287).

275405634606161 is a wasteful number, since it uses less digits than its factorization.

275405634606161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294097063.

The product of its (nonzero) digits is 21772800, while the sum is 56.

The spelling of 275405634606161 in words is "two hundred seventy-five trillion, four hundred five billion, six hundred thirty-four million, six hundred six thousand, one hundred sixty-one".

Divisors: 1 31 30211 936541 294066821 9116071451 8884052729231 275405634606161