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1200552431320 = 235112248048023
BaseRepresentation
bin10001011110000110100…
…000000100111011011000
311020202211120012112021201
4101132012200010323120
5124132212410300240
62315305353043544
7152510544201664
oct21360640047330
94222746175251
101200552431320
11423173604a00
121748126b65b4
1389299b99a48
144216da4b8a4
152136845dd9a
hex11786804ed8

1200552431320 has 48 divisors (see below), whose sum is σ = 2969134847280. Its totient is φ = 436564518720.

The previous prime is 1200552431293. The next prime is 1200552431327. The reversal of 1200552431320 is 231342550021.

It is a super-2 number, since 2×12005524313202 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200552431327) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 124019172 + ... + 124028851.

It is an arithmetic number, because the mean of its divisors is an integer number (61856975985).

Almost surely, 21200552431320 is an apocalyptic number.

1200552431320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200552431320 is an abundant number, since it is smaller than the sum of its proper divisors (1768582415960).

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

1200552431320 is a wasteful number, since it uses less digits than its factorization.

1200552431320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248048056 (or 248048041 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 1200552431320 its reverse (231342550021), we get a palindrome (1431894981341).

The spelling of 1200552431320 in words is "one trillion, two hundred billion, five hundred fifty-two million, four hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 121 220 242 440 484 605 968 1210 2420 4840 248048023 496096046 992192092 1240240115 1984384184 2480480230 2728528253 4960960460 5457056506 9921920920 10914113012 13642641265 21828226024 27285282530 30013810783 54570565060 60027621566 109141130120 120055243132 150069053915 240110486264 300138107830 600276215660 1200552431320