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1031030002000 = 2453515515001
BaseRepresentation
bin11110000000011100010…
…11010101000101010000
310122120021020211211222101
433000032023111011100
5113343022140031000
62105352035050144
7134326612263115
oct17001613250520
93576236754871
101031030002000
11368291614749
121479a1a40954
13762c1b7397b
1437c8b5ac90c
151bc459eae6a
hexf00e2d5150

1031030002000 has 40 divisors (see below), whose sum is σ = 2493030549672. Its totient is φ = 412412000000.

The previous prime is 1031030001997. The next prime is 1031030002021. The reversal of 1031030002000 is 2000301301.

It can be written as a sum of positive squares in 4 ways, for example, as 25189498944 + 1005840503056 = 158712^2 + 1002916^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×10310300020003 (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257755501 + ... + 257759500.

Almost surely, 21031030002000 is an apocalyptic number.

1031030002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031030002000 is an abundant number, since it is smaller than the sum of its proper divisors (1462000547672).

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

1031030002000 is an equidigital number, since it uses as much as digits as its factorization.

1031030002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515515024 (or 515515008 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 1031030002000 its reverse (2000301301), we get a palindrome (1033030303301).

The spelling of 1031030002000 in words is "one trillion, thirty-one billion, thirty million, two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 515515001 1031030002 2062060004 2577575005 4124120008 5155150010 8248240016 10310300020 12887875025 20620600040 25775750050 41241200080 51551500100 64439375125 103103000200 128878750250 206206000400 257757500500 515515001000 1031030002000