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1230344464272 = 243711332885407
BaseRepresentation
bin10001111001110110001…
…111101010011110010000
311100121201211011121111120
4101321312033222132100
5130124221140324042
62341113515442240
7154614040251630
oct21716617523620
94317654147446
101230344464272
11434871414240
1217a547a56380
138c037148401
14437985dc6c0
152200dba7dec
hex11e763ea790

1230344464272 has 80 divisors (see below), whose sum is σ = 3962667896832. Its totient is φ = 319569989760.

The previous prime is 1230344464267. The next prime is 1230344464289. The reversal of 1230344464272 is 2724644430321.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166439008 + ... + 166446399.

Almost surely, 21230344464272 is an apocalyptic number.

1230344464272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230344464272 is an abundant number, since it is smaller than the sum of its proper divisors (2732323432560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230344464272 is a wasteful number, since it uses less digits than its factorization.

1230344464272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332885436 (or 332885430 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 42.

Adding to 1230344464272 its reverse (2724644430321), we get a palindrome (3954988894593).

The spelling of 1230344464272 in words is "one trillion, two hundred thirty billion, three hundred forty-four million, four hundred sixty-four thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 56 66 77 84 88 112 132 154 168 176 231 264 308 336 462 528 616 924 1232 1848 3696 332885407 665770814 998656221 1331541628 1997312442 2330197849 2663083256 3661739477 3994624884 4660395698 5326166512 6990593547 7323478954 7989249768 9320791396 10985218431 13981187094 14646957908 15978499536 18641582792 21970436862 25632176339 27962374188 29293915816 37283165584 43940873724 51264352678 55924748376 58587831632 76896529017 87881747448 102528705356 111849496752 153793058034 175763494896 205057410712 307586116068 410114821424 615172232136 1230344464272