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12213441430553 = 1117163400690313
BaseRepresentation
bin1011000110111010100111…
…0101101000010000011001
31121020121000201210012122002
42301232221311220100121
53100101112001234203
641550435540410345
72400251315152466
oct261565165502031
947217021705562
1012213441430553
1139897673137a0
1214530689a69b5
136a7951699a5c
143031c2cd666d
15162a76440d88
hexb1ba9d68419

12213441430553 has 16 divisors (see below), whose sum is σ = 14194053683136. Its totient is φ = 10385892887040.

The previous prime is 12213441430493. The next prime is 12213441430573. The reversal of 12213441430553 is 35503414431221.

It is not a de Polignac number, because 12213441430553 - 28 = 12213441430297 is a prime.

It is a super-2 number, since 2×122134414305532 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12213441430573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200314676 + ... + 200375637.

It is an arithmetic number, because the mean of its divisors is an integer number (887128355196).

Almost surely, 212213441430553 is an apocalyptic number.

It is an amenable number.

12213441430553 is a deficient number, since it is larger than the sum of its proper divisors (1980612252583).

12213441430553 is a wasteful number, since it uses less digits than its factorization.

12213441430553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400690504.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 12213441430553 its reverse (35503414431221), we get a palindrome (47716855861774).

The spelling of 12213441430553 in words is "twelve trillion, two hundred thirteen billion, four hundred forty-one million, four hundred thirty thousand, five hundred fifty-three".

Divisors: 1 11 17 163 187 1793 2771 30481 400690313 4407593443 6811735321 65312521019 74929088531 718437731209 1110312857323 12213441430553