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2100000212012 = 2217192370669007
BaseRepresentation
bin11110100011110001110…
…001000100010000101100
321102202110121212222001002
4132203301301010100230
5233401300023241022
64244420552335432
7304501651165463
oct36436161042054
97382417788032
102100000212012
1173a6724111aa
1229abb19a4578
1312304c119461
14738d79679da
153995c25a092
hex1e8f1c4442c

2100000212012 has 48 divisors (see below), whose sum is σ = 4274061603840. Its totient is φ = 895517644032.

The previous prime is 2100000211949. The next prime is 2100000212027. The reversal of 2100000212012 is 2102120000012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2100000211984 and 2100000212002.

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, 35304788 + ... + 35364219.

It is an arithmetic number, because the mean of its divisors is an integer number (89042950080).

Almost surely, 22100000212012 is an apocalyptic number.

It is an amenable number.

2100000212012 is an abundant number, since it is smaller than the sum of its proper divisors (2174061391828).

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

2100000212012 is a wasteful number, since it uses less digits than its factorization.

2100000212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70669070 (or 70669068 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2100000212012 its reverse (2102120000012), we get a palindrome (4202120212024).

The spelling of 2100000212012 in words is "two trillion, one hundred billion, two hundred twelve thousand, twelve".

Divisors: 1 2 4 17 19 23 34 38 46 68 76 92 323 391 437 646 782 874 1292 1564 1748 7429 14858 29716 70669007 141338014 282676028 1201373119 1342711133 1625387161 2402746238 2685422266 3250774322 4805492476 5370844532 6501548644 22826089261 27631581737 30882356059 45652178522 55263163474 61764712118 91304357044 110526326948 123529424236 525000053003 1050000106006 2100000212012