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2100110012 = 2272111374929
BaseRepresentation
bin111110100101101…
…0010001010111100
312102100201122100022
41331023102022330
513300112010022
6544220351312
7103020432500
oct17513221274
95370648308
102100110012
11988503810
124a73a5538
13276128c60
1415ccb8300
15c4589c42
hex7d2d22bc

2100110012 has 72 divisors (see below), whose sum is σ = 5022707760. Its totient is φ = 755274240.

The previous prime is 2100109997. The next prime is 2100110039.

2100110012 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9437 + ... + 65492.

It is an arithmetic number, because the mean of its divisors is an integer number (69759830).

Almost surely, 22100110012 is an apocalyptic number.

2100110012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2100110012 is an abundant number, since it is smaller than the sum of its proper divisors (2922597748).

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

2100110012 is a wasteful number, since it uses less digits than its factorization.

2100110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74971 (or 74962 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2100110012 is about 45826.9572631655. The cubic root of 2100110012 is about 1280.6015263550.

It can be divided in two parts, 21001 and 10012, that multiplied together give a palindrome (210262012).

The spelling of 2100110012 in words is "two billion, one hundred million, one hundred ten thousand, twelve".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 49 52 77 91 98 143 154 182 196 286 308 364 539 572 637 1001 1078 1274 2002 2156 2548 4004 7007 14014 28028 74929 149858 299716 524503 824219 974077 1049006 1648438 1948154 2098012 3296876 3671521 3896308 5769533 6818539 7343042 10714847 11539066 13637078 14686084 21429694 23078132 27274156 40386731 42859388 47729773 75003929 80773462 95459546 150007858 161546924 190919092 300015716 525027503 1050055006 2100110012