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22212104123431 = 47649517276223
BaseRepresentation
bin1010000110011101010001…
…00100110111010000100111
32220122110022201122012222001
411003032220210313100213
510402410342123422211
6115124033314350131
74451525434565365
oct503165044672047
986573281565861
1022212104123431
117094111789112
1225a8a3088b347
13c51791757391
1456b100592635
15287bc3c74ac1
hex1433a8937427

22212104123431 has 8 divisors (see below), whose sum is σ = 22685054459904. Its totient is φ = 21739168469400.

The previous prime is 22212104123411. The next prime is 22212104123449. The reversal of 22212104123431 is 13432140121222.

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 22212104123431 - 213 = 22212104115239 is a prime.

It is a super-2 number, since 2×222121041234312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22212104123431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212104123411) 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, 585415 + ... + 6690808.

It is an arithmetic number, because the mean of its divisors is an integer number (2835631807488).

Almost surely, 222212104123431 is an apocalyptic number.

22212104123431 is a deficient number, since it is larger than the sum of its proper divisors (472950336473).

22212104123431 is an equidigital number, since it uses as much as digits as its factorization.

22212104123431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7341221.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 22212104123431 its reverse (13432140121222), we get a palindrome (35644244244653).

The spelling of 22212104123431 in words is "twenty-two trillion, two hundred twelve billion, one hundred four million, one hundred twenty-three thousand, four hundred thirty-one".

Divisors: 1 47 64951 3052697 7276223 341982481 472597960073 22212104123431