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220630676722121 = 13011108715295883
BaseRepresentation
bin110010001010100110010101…
…000111001101000111001001
31001221012002100012121120022202
4302022212111013031013021
5212404303111220101441
62101124200022325545
764321016563124201
oct6212462507150711
91057162305546282
10220630676722121
1164332a431a8296
12208b38532898b5
1396154ca8441a3
143c6a8203a9401
151a7919bee219b
hexc8a9951cd1c9

220630676722121 has 8 divisors (see below), whose sum is σ = 220820191853184. Its totient is φ = 220441192207600.

The previous prime is 220630676722081. The next prime is 220630676722177. The reversal of 220630676722121 is 121227676036022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-220630676722121 is a prime.

It is a super-2 number, since 2×2206306767221212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220630676722021) 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, 6776246 + ... + 22072128.

It is an arithmetic number, because the mean of its divisors is an integer number (27602523981648).

Almost surely, 2220630676722121 is an apocalyptic number.

It is an amenable number.

220630676722121 is a deficient number, since it is larger than the sum of its proper divisors (189515131063).

220630676722121 is a wasteful number, since it uses less digits than its factorization.

220630676722121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15308271.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 220630676722121 in words is "two hundred twenty trillion, six hundred thirty billion, six hundred seventy-six million, seven hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 1301 11087 14424187 15295883 19899943783 169585454821 220630676722121