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1000331012020 = 2251671552719289
BaseRepresentation
bin11101000111010000101…
…11111110011110110100
310112122000210021120121111
432203220113332132310
5112342134214341040
62043313513124404
7132162064210444
oct16435027763664
93478023246544
101000331012020
1135626886114a
12141a549b9704
137343ba34142
14365b83b0124
151b04a84ddea
hexe8e85fe7b4

1000331012020 has 48 divisors (see below), whose sum is σ = 2113519806720. Its totient is φ = 397690168064.

The previous prime is 1000331011969. The next prime is 1000331012069. The reversal of 1000331012020 is 202101330001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51850536 + ... + 51869824.

It is an arithmetic number, because the mean of its divisors is an integer number (44031662640).

Almost surely, 21000331012020 is an apocalyptic number.

1000331012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000331012020 is an abundant number, since it is smaller than the sum of its proper divisors (1113188794700).

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

1000331012020 is a wasteful number, since it uses less digits than its factorization.

1000331012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34992 (or 34990 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1000331012020 its reverse (202101330001), we get a palindrome (1202432342021).

The spelling of 1000331012020 in words is "one trillion, three hundred thirty-one million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 167 334 668 835 1670 3340 15527 19289 31054 38578 62108 77156 77635 96445 155270 192890 310540 385780 2593009 3221263 5186018 6442526 10372036 12885052 12965045 16106315 25930090 32212630 51860180 64425260 299500303 599000606 1198001212 1497501515 2995003030 5990006060 50016550601 100033101202 200066202404 250082753005 500165506010 1000331012020