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221204993433983 = 13143911824717669
BaseRepresentation
bin110010010010111101001101…
…000011100110000101111111
31002000012222202022211101212222
4302102331031003212011333
5212443210311304341413
62102244100542515555
764410350643462146
oct6222751503460577
91060188668741788
10221204993433983
1164534568a9a319
1220987014895bbb
13965770652a680
143c8a54363c75d
151a890b21bbb08
hexc92f4d0e617f

221204993433983 has 8 divisors (see below), whose sum is σ = 238386308227200. Its totient is φ = 204047328079008.

The previous prime is 221204993433967. The next prime is 221204993433989. The reversal of 221204993433983 is 389334399402122.

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 221204993433983 - 24 = 221204993433967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221204993433989) 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, 5912340128 + ... + 5912377541.

It is an arithmetic number, because the mean of its divisors is an integer number (29798288528400).

Almost surely, 2221204993433983 is an apocalyptic number.

221204993433983 is a deficient number, since it is larger than the sum of its proper divisors (17181314793217).

221204993433983 is a wasteful number, since it uses less digits than its factorization.

221204993433983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11824719121.

The product of its (nonzero) digits is 60466176, while the sum is 62.

The spelling of 221204993433983 in words is "two hundred twenty-one trillion, two hundred four billion, nine hundred ninety-three million, four hundred thirty-three thousand, nine hundred eighty-three".

Divisors: 1 13 1439 18707 11824717669 153721329697 17015768725691 221204993433983