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221423324122 = 271113149742289
BaseRepresentation
bin1100111000110111011…
…0111100101111011010
3210011112101001022101101
43032031312330233122
512111433332332442
6245415342142014
721666035125630
oct3161566745732
9704471038341
10221423324122
11859a576a750
1236ab628190a
1317b59850a20
14aa0742b350
155b5e140cb7
hex338ddbcbda

221423324122 has 64 divisors (see below), whose sum is σ = 448936992000. Its totient is φ = 79098209280.

The previous prime is 221423324117. The next prime is 221423324147.

It can be divided in two parts, 221423 and 324122, that added together give a palindrome (545545).

221423324122 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72847 + ... + 669442.

It is an arithmetic number, because the mean of its divisors is an integer number (7014640500).

Almost surely, 2221423324122 is an apocalyptic number.

221423324122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221423324122 is an abundant number, since it is smaller than the sum of its proper divisors (227513667878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221423324122 is a wasteful number, since it uses less digits than its factorization.

221423324122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742471.

The product of its digits is 9216, while the sum is 28.

The spelling of 221423324122 in words is "two hundred twenty-one billion, four hundred twenty-three million, three hundred twenty-four thousand, one hundred twenty-two".

Divisors: 1 2 7 11 13 14 22 26 77 91 143 149 154 182 286 298 1001 1043 1639 1937 2002 2086 3278 3874 11473 13559 21307 22946 27118 42614 149149 298298 742289 1484578 5196023 8165179 9649757 10392046 16330358 19299514 57156253 67548299 106147327 110601061 114312506 135096598 212294654 221202122 743031289 774207427 1216611671 1437813793 1486062578 1548414854 2433223342 2875627586 8516281697 10064696551 15815951723 17032563394 20129393102 31631903446 110711662061 221423324122