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2028871963734 = 2371125117496007
BaseRepresentation
bin11101100001100010001…
…100010101010001010110
321011221212120112120111020
4131201202030111101112
5231220112210314414
64152014555222010
7266403224101320
oct35414214252126
97157776476436
102028871963734
11712492370540
12289261147906
13119425010595
14702ab17c610
1537b97a837a9
hex1d862315456

2028871963734 has 64 divisors (see below), whose sum is σ = 5079161106432. Its totient is φ = 524880180000.

The previous prime is 2028871963733. The next prime is 2028871963801. The reversal of 2028871963734 is 4373691788202.

It is a happy number.

It is a super-2 number, since 2×20288719637342 (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 (2028871963733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8632042 + ... + 8863965.

It is an arithmetic number, because the mean of its divisors is an integer number (79361892288).

Almost surely, 22028871963734 is an apocalyptic number.

2028871963734 is an abundant number, since it is smaller than the sum of its proper divisors (3050289142698).

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

2028871963734 is a wasteful number, since it uses less digits than its factorization.

2028871963734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17496281.

The product of its (nonzero) digits is 24385536, while the sum is 60.

The spelling of 2028871963734 in words is "two trillion, twenty-eight billion, eight hundred seventy-one million, nine hundred sixty-three thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 251 462 502 753 1506 1757 2761 3514 5271 5522 8283 10542 16566 19327 38654 57981 115962 17496007 34992014 52488021 104976042 122472049 192456077 244944098 367416147 384912154 577368231 734832294 1154736462 1347192539 2694385078 4041577617 4391497757 8083155234 8782995514 13174493271 26348986542 30740484299 48306475327 61480968598 92221452897 96612950654 144919425981 184442905794 289838851962 338145327289 676290654578 1014435981867 2028871963734