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2002102111212 = 223728384221021
BaseRepresentation
bin11101001000100110100…
…101011100101111101100
321002101202221100011102220
4131020212211130233230
5230300301120024322
64131430352315340
7264434646104130
oct35104645345754
97071687304386
102002102111212
117020a54a1085
1228402bb42b50
13116a49c11168
146cc8bb293c0
153712c81055c
hex1d22695cbec

2002102111212 has 48 divisors (see below), whose sum is σ = 5357804535552. Its totient is φ = 570007863360.

The previous prime is 2002102111187. The next prime is 2002102111223. The reversal of 2002102111212 is 2121112012002.

It is a super-2 number, since 2×20021021112122 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2002102111191 and 2002102111200.

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, 42086739 + ... + 42134282.

It is an arithmetic number, because the mean of its divisors is an integer number (111620927824).

Almost surely, 22002102111212 is an apocalyptic number.

It is an amenable number.

2002102111212 is an abundant number, since it is smaller than the sum of its proper divisors (3355702424340).

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

2002102111212 is a wasteful number, since it uses less digits than its factorization.

2002102111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84221318 (or 84221316 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2002102111212 its reverse (2121112012002), we get a palindrome (4123214123214).

The spelling of 2002102111212 in words is "two trillion, two billion, one hundred two million, one hundred eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 283 566 849 1132 1698 1981 3396 3962 5943 7924 11886 23772 84221021 168442042 252663063 336884084 505326126 589547147 1010652252 1179094294 1768641441 2358188588 3537282882 7074565764 23834548943 47669097886 71503646829 95338195772 143007293658 166841842601 286014587316 333683685202 500525527803 667367370404 1001051055606 2002102111212