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1313212003312 = 241129257290753
BaseRepresentation
bin10011000111000001100…
…010001111001111110000
311122112122000001202120011
4103013001202033033300
5133003424233101222
62443140430424304
7163606421565436
oct23070142171760
94575560052504
101313212003312
11466a25a388a0
12192614062094
1396ab2396a91
14477ba13cd56
152425dca2c77
hex131c188f3f0

1313212003312 has 40 divisors (see below), whose sum is σ = 2871364814640. Its totient is φ = 576331284480.

The previous prime is 1313212003297. The next prime is 1313212003319. The reversal of 1313212003312 is 2133002123131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313212003319) 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, 128640273 + ... + 128650480.

It is an arithmetic number, because the mean of its divisors is an integer number (71784120366).

Almost surely, 21313212003312 is an apocalyptic number.

It is an amenable number.

1313212003312 is an abundant number, since it is smaller than the sum of its proper divisors (1558152811328).

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

1313212003312 is a wasteful number, since it uses less digits than its factorization.

1313212003312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257290801 (or 257290795 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1313212003312 its reverse (2133002123131), we get a palindrome (3446214126443).

The spelling of 1313212003312 in words is "one trillion, three hundred thirteen billion, two hundred twelve million, three thousand, three hundred twelve".

Divisors: 1 2 4 8 11 16 22 29 44 58 88 116 176 232 319 464 638 1276 2552 5104 257290753 514581506 1029163012 2058326024 2830198283 4116652048 5660396566 7461431837 11320793132 14922863674 22641586264 29845727348 45283172528 59691454696 82075750207 119382909392 164151500414 328303000828 656606001656 1313212003312