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1031242032200 = 23525156210161
BaseRepresentation
bin11110000000110101101…
…00001010010001001000
310122120211000211002201202
433000122310022101020
5113343440430012300
62105425051403332
7134335065434012
oct17003264122110
93576730732652
101031242032200
11368390274116
12147a40a53548
1376326a80923
1437cab8031b2
151bc5942ead5
hexf01ad0a448

1031242032200 has 24 divisors (see below), whose sum is σ = 2397637725330. Its totient is φ = 412496812800.

The previous prime is 1031242032199. The next prime is 1031242032203. The reversal of 1031242032200 is 22302421301.

It can be written as a sum of positive squares in 3 ways, for example, as 801300683716 + 229941348484 = 895154^2 + 479522^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1031242032203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2578104881 + ... + 2578105280.

Almost surely, 21031242032200 is an apocalyptic number.

1031242032200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031242032200 is an abundant number, since it is smaller than the sum of its proper divisors (1366395693130).

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

1031242032200 is a wasteful number, since it uses less digits than its factorization.

1031242032200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5156210177 (or 5156210168 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1031242032200 its reverse (22302421301), we get a palindrome (1053544453501).

The spelling of 1031242032200 in words is "one trillion, thirty-one billion, two hundred forty-two million, thirty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 5156210161 10312420322 20624840644 25781050805 41249681288 51562101610 103124203220 128905254025 206248406440 257810508050 515621016100 1031242032200