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1222431030424 = 231738323468573
BaseRepresentation
bin10001110010011110100…
…100010011110010011000
311022212022022122112001001
4101302132210103302120
5130012014320433144
62333324351234344
7154213660213132
oct21623644236230
94285268575031
101222431030424
114314804a226a
12178ab98189b4
138b375824286
144324762a052
1521be90abbd4
hex11c9e913c98

1222431030424 has 32 divisors (see below), whose sum is σ = 2433221752320. Its totient is φ = 573759648256.

The previous prime is 1222431030409. The next prime is 1222431030427. The reversal of 1222431030424 is 4240301342221.

It is a junction number, because it is equal to n+sod(n) for n = 1222431030392 and 1222431030401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222431030427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11682199 + ... + 11786374.

It is an arithmetic number, because the mean of its divisors is an integer number (76038179760).

Almost surely, 21222431030424 is an apocalyptic number.

It is an amenable number.

1222431030424 is a deficient number, since it is larger than the sum of its proper divisors (1210790721896).

1222431030424 is a wasteful number, since it uses less digits than its factorization.

1222431030424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23468979 (or 23468975 counting only the distinct ones).

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

Adding to 1222431030424 its reverse (4240301342221), we get a palindrome (5462732372645).

The spelling of 1222431030424 in words is "one trillion, two hundred twenty-two billion, four hundred thirty-one million, thirty thousand, four hundred twenty-four".

Divisors: 1 2 4 8 17 34 68 136 383 766 1532 3064 6511 13022 26044 52088 23468573 46937146 93874292 187748584 398965741 797931482 1595862964 3191725928 8988463459 17976926918 35953853836 71907707672 152803878803 305607757606 611215515212 1222431030424