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223590407969 = 6611721196549
BaseRepresentation
bin1101000000111100000…
…1101101111100100001
3210101010101210120120002
43100033001231330201
512130403121023334
6250414354225345
722103531052425
oct3201701557441
9711111716502
10223590407969
1186907a57935
12373bbb85255
13181137c8c66
14ab7117ab85
155c39509b7e
hex340f06df21

223590407969 has 8 divisors (see below), whose sum is σ = 224059924200. Its totient is φ = 223121289600.

The previous prime is 223590407959. The next prime is 223590407977. The reversal of 223590407969 is 969704095322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 58039073569 + 165551334400 = 240913^2 + 406880^2 .

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 223590407969 - 216 = 223590342433 is a prime.

It is a super-2 number, since 2×2235904079692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223590407959) 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, 1039307 + ... + 1235855.

It is an arithmetic number, because the mean of its divisors is an integer number (28007490525).

Almost surely, 2223590407969 is an apocalyptic number.

It is an amenable number.

223590407969 is a deficient number, since it is larger than the sum of its proper divisors (469516231).

223590407969 is a wasteful number, since it uses less digits than its factorization.

223590407969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198931.

The product of its (nonzero) digits is 7348320, while the sum is 56.

The spelling of 223590407969 in words is "two hundred twenty-three billion, five hundred ninety million, four hundred seven thousand, nine hundred sixty-nine".

Divisors: 1 661 1721 196549 1137581 129918889 338260829 223590407969