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221303020212323 = 7176740717887627
BaseRepresentation
bin110010010100011000011111…
…111010000101000001100011
31002000120100202222111200212222
4302110120133322011001203
5213001312041133243243
62102401112020541255
764420421100365630
oct6224303772050143
91060510688450788
10221303020212323
11645720a1608815
12209a201185182b
139663a292aa51a
143c911a25b5187
151a8b8ed083168
hexc9461fe85063

221303020212323 has 8 divisors (see below), whose sum is σ = 252917894625792. Its totient is φ = 189688185108936.

The previous prime is 221303020212301. The next prime is 221303020212349. The reversal of 221303020212323 is 323212020303122.

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-221303020212323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221303020212292 and 221303020212301.

It is not an unprimeable number, because it can be changed into a prime (221303020212383) 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, 3428036 + ... + 21315662.

It is an arithmetic number, because the mean of its divisors is an integer number (31614736828224).

Almost surely, 2221303020212323 is an apocalyptic number.

221303020212323 is a deficient number, since it is larger than the sum of its proper divisors (31614874413469).

221303020212323 is a wasteful number, since it uses less digits than its factorization.

221303020212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19655041.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 221303020212323 its reverse (323212020303122), we get a palindrome (544515040515445).

The spelling of 221303020212323 in words is "two hundred twenty-one trillion, three hundred three billion, twenty million, two hundred twelve thousand, three hundred twenty-three".

Divisors: 1 7 1767407 12371849 17887627 125213389 31614717173189 221303020212323