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20344653130330 = 256032093372737
BaseRepresentation
bin1001010000000110110111…
…10100101010101001011010
32200000221002212010120201201
410220003123310222221122
510131311322200132310
6111134112110504414
74166565320213554
oct450033364525132
980027085116651
1020344653130330
116534134343031
122346b1b20510a
13b476531c5349
145049879384d4
152543277b6e3a
hex1280dbd2aa5a

20344653130330 has 16 divisors (see below), whose sum is σ = 36620447201640. Its totient is φ = 8137845348352.

The previous prime is 20344653130327. The next prime is 20344653130337. The reversal of 20344653130330 is 3303135644302.

It can be written as a sum of positive squares in 4 ways, for example, as 15107983836201 + 5236669294129 = 3886899^2 + 2288377^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20344653130330.

It is not an unprimeable number, because it can be changed into a prime (20344653130337) 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, 4345722 + ... + 7718458.

Almost surely, 220344653130330 is an apocalyptic number.

20344653130330 is a deficient number, since it is larger than the sum of its proper divisors (16275794071310).

20344653130330 is a wasteful number, since it uses less digits than its factorization.

20344653130330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975953.

The product of its (nonzero) digits is 233280, while the sum is 37.

Adding to 20344653130330 its reverse (3303135644302), we get a palindrome (23647788774632).

The spelling of 20344653130330 in words is "twenty trillion, three hundred forty-four billion, six hundred fifty-three million, one hundred thirty thousand, three hundred thirty".

Divisors: 1 2 5 10 603209 1206418 3016045 3372737 6032090 6745474 16863685 33727370 2034465313033 4068930626066 10172326565165 20344653130330