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2111002099980 = 2235439757105871
BaseRepresentation
bin11110101110000001100…
…001111100000100001100
321110210212100212210002020
4132232001201330010030
5234041313014144410
64253440405130140
7305341412533554
oct36560141740414
97423770783066
102111002099980
117442a87194a4
122a11623b9950
131240b3555237
147425cbaa164
1539da306da70
hex1eb8187c10c

2111002099980 has 96 divisors (see below), whose sum is σ = 5932152145920. Its totient is φ = 560904341760.

The previous prime is 2111002099961. The next prime is 2111002100071. The reversal of 2111002099980 is 899902001112.

It is a super-2 number, since 2×21110020999802 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19886445 + ... + 19992315.

It is an arithmetic number, because the mean of its divisors is an integer number (61793251520).

Almost surely, 22111002099980 is an apocalyptic number.

2111002099980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111002099980 is an abundant number, since it is smaller than the sum of its proper divisors (3821150045940).

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

2111002099980 is a wasteful number, since it uses less digits than its factorization.

2111002099980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107079 (or 107077 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 42.

The spelling of 2111002099980 in words is "two trillion, one hundred eleven billion, two million, ninety-nine thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 439 757 878 1317 1514 1756 2195 2271 2634 3028 3785 4390 4542 5268 6585 7570 8780 9084 11355 13170 15140 22710 26340 45420 105871 211742 317613 332323 423484 529355 635226 664646 996969 1058710 1270452 1329292 1588065 1661615 1993938 2117420 3176130 3323230 3987876 4984845 6352260 6646460 9969690 19939380 46477369 80144347 92954738 139432107 160288694 185909476 232386845 240433041 278864214 320577388 400721735 464773690 480866082 557728428 697160535 801443470 929547380 961732164 1202165205 1394321070 1602886940 2404330410 2788642140 4808660820 35183368333 70366736666 105550104999 140733473332 175916841665 211100209998 351833683330 422200419996 527750524995 703667366660 1055501049990 2111002099980