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221430313343 = 13910273155069
BaseRepresentation
bin1100111000111001000…
…1100111000101111111
3210011112212012101210102
43032032101213011333
512111442130011333
6245420152031315
721666151415441
oct3161621470577
9704485171712
10221430313343
11859a9703868
1236ab869253b
1317b5b12a065
14aa0832a491
155b5ea71ae8
hex338e46717f

221430313343 has 8 divisors (see below), whose sum is σ = 223046485200. Its totient is φ = 219814472448.

The previous prime is 221430313303. The next prime is 221430313369. The reversal of 221430313343 is 343313034122.

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 221430313343 - 214 = 221430296959 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 (221430313303) 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, 1350413 + ... + 1505481.

It is an arithmetic number, because the mean of its divisors is an integer number (27880810650).

Almost surely, 2221430313343 is an apocalyptic number.

221430313343 is a deficient number, since it is larger than the sum of its proper divisors (1616171857).

221430313343 is a wasteful number, since it uses less digits than its factorization.

221430313343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165481.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 221430313343 its reverse (343313034122), we get a palindrome (564743347465).

The spelling of 221430313343 in words is "two hundred twenty-one billion, four hundred thirty million, three hundred thirteen thousand, three hundred forty-three".

Divisors: 1 139 10273 155069 1427947 21554591 1593023837 221430313343