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1200223031330 = 25677187994351
BaseRepresentation
bin10001011101110010110…
…111100001000000100010
311020201222121101021110002
4101131302313201000202
5124131024044000310
62315212544540002
7152466434303111
oct21356267410042
94221877337402
101200223031330
1142301467a904
12174740321602
13892468770cb
144213bdc3c78
1521349593da5
hex11772de1022

1200223031330 has 32 divisors (see below), whose sum is σ = 2164766999040. Its totient is φ = 479119867200.

The previous prime is 1200223031281. The next prime is 1200223031333. The reversal of 1200223031330 is 331303220021.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1200223031333) 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, 12673655 + ... + 12768005.

It is an arithmetic number, because the mean of its divisors is an integer number (67648968720).

Almost surely, 21200223031330 is an apocalyptic number.

1200223031330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200223031330 is a deficient number, since it is larger than the sum of its proper divisors (964543967710).

1200223031330 is a wasteful number, since it uses less digits than its factorization.

1200223031330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96914.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1200223031330 its reverse (331303220021), we get a palindrome (1531526251351).

The spelling of 1200223031330 in words is "one trillion, two hundred billion, two hundred twenty-three million, thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 677 1354 1879 3385 3758 6770 9395 18790 94351 188702 471755 943510 1272083 2544166 6360415 12720830 63875627 127751254 177285529 319378135 354571058 638756270 886427645 1772855290 120022303133 240044606266 600111515665 1200223031330