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1031003230020 = 223593711833677
BaseRepresentation
bin11110000000011001001…
…01001100111101000100
310122120012101110200201120
433000030211030331010
5113342443311330040
62105345241153540
7134326135600521
oct17001445147504
93576171420646
101031003230020
11368278499545
12147994a8b8b0
13762b945c06a
1437c87c00148
151bc434ad7d0
hexf00c94cf44

1031003230020 has 48 divisors (see below), whose sum is σ = 2887118676288. Its totient is φ = 274904705920.

The previous prime is 1031003230013. The next prime is 1031003230021. The reversal of 1031003230020 is 200323001301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1031003230021) 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 15 ways as a sum of consecutive naturals, for example, 354579 + ... + 1479098.

It is an arithmetic number, because the mean of its divisors is an integer number (60148305756).

Almost surely, 21031003230020 is an apocalyptic number.

1031003230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031003230020 is an abundant number, since it is smaller than the sum of its proper divisors (1856115446268).

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

1031003230020 is a wasteful number, since it uses less digits than its factorization.

1031003230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843060 (or 1843058 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 1031003230020 its reverse (200323001301), we get a palindrome (1231326231321).

The spelling of 1031003230020 in words is "one trillion, thirty-one billion, three million, two hundred thirty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 9371 18742 28113 37484 46855 56226 93710 112452 140565 187420 281130 562260 1833677 3667354 5501031 7334708 9168385 11002062 18336770 22004124 27505155 36673540 55010310 110020620 17183387167 34366774334 51550161501 68733548668 85916935835 103100323002 171833871670 206200646004 257750807505 343667743340 515501615010 1031003230020