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2100198030436 = 2211219234672
BaseRepresentation
bin11110100011111101100…
…011101011110001100100
321102202222102010011220101
4132203331203223301210
5233402201143433221
64244452340313444
7304506602465542
oct36437543536144
97382872104811
102100198030436
1173a764044100
1229b0480a2884
131230810bb78c
1473915d3cd92
153996e7d2d91
hex1e8fd8ebc64

2100198030436 has 81 divisors (see below), whose sum is σ = 4264887927027. Its totient is φ = 904130639280.

The previous prime is 2100198030407. The next prime is 2100198030467. The reversal of 2100198030436 is 6340308910012.

The square root of 2100198030436 is 1449206.

It is a perfect power (a square), and thus also a powerful number.

It is a junction number, because it is equal to n+sod(n) for n = 2100198030395 and 2100198030404.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 605766375 + ... + 605769841.

Almost surely, 22100198030436 is an apocalyptic number.

2100198030436 is the 1449206-th square number.

It is an amenable number.

2100198030436 is an abundant number, since it is smaller than the sum of its proper divisors (2164689896591).

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

2100198030436 is an equidigital number, since it uses as much as digits as its factorization.

2100198030436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6998 (or 3499 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 2100198030436 in words is "two trillion, one hundred billion, one hundred ninety-eight million, thirty thousand, four hundred thirty-six".

Divisors: 1 2 4 11 19 22 38 44 76 121 209 242 361 418 484 722 836 1444 2299 3467 3971 4598 6934 7942 9196 13868 15884 38137 43681 65873 76274 87362 131746 152548 174724 263492 419507 724603 839014 1251587 1449206 1678028 2503174 2898412 5006348 7970633 12020089 13767457 15941266 24040178 27534914 31882532 48080356 55069828 132220979 151442027 228381691 264441958 302884054 456763382 528883916 605768108 913526764 1454430769 2512198601 2908861538 4339252129 5024397202 5817723076 8678504258 10048794404 17357008516 27634184611 47731773419 55268369222 95463546838 110536738444 190927093676 525049507609 1050099015218 2100198030436