Search a number
-
+
1231003325344 = 25134448366523
BaseRepresentation
bin10001111010011101100…
…001000001001110100000
311100200102201221012222111
4101322131201001032200
5130132043322402334
62341303133245104
7154636260422452
oct21723541011640
94320381835874
101231003325344
1143507a315321
1217a6b0633794
138c1107b2730
144381bd082d2
152204b951064
hex11e9d8413a0

1231003325344 has 48 divisors (see below), whose sum is σ = 2610061689312. Its totient is φ = 568134067968.

The previous prime is 1231003325339. The next prime is 1231003325351. The reversal of 1231003325344 is 4435233001321.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18471667 + ... + 18538189.

It is an arithmetic number, because the mean of its divisors is an integer number (54376285194).

Almost surely, 21231003325344 is an apocalyptic number.

It is an amenable number.

1231003325344 is an abundant number, since it is smaller than the sum of its proper divisors (1379058363968).

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

1231003325344 is a wasteful number, since it uses less digits than its factorization.

1231003325344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111029 (or 111021 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 1231003325344 its reverse (4435233001321), we get a palindrome (5666236326665).

The spelling of 1231003325344 in words is "one trillion, two hundred thirty-one billion, three million, three hundred twenty-five thousand, three hundred forty-four".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 44483 66523 88966 133046 177932 266092 355864 532184 578279 711728 864799 1064368 1156558 1423456 1729598 2128736 2313116 3459196 4626232 6918392 9252464 13836784 18504928 27673568 2959142609 5918285218 11836570436 23673140872 38468853917 47346281744 76937707834 94692563488 153875415668 307750831336 615501662672 1231003325344