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2105130315012 = 223195413897727
BaseRepresentation
bin11110101000100011100…
…010110110110100000100
321110020201011002012100220
4132220203202312310010
5233442301330040022
64251030012304340
7305043043303134
oct36504342666404
97406634065326
102105130315012
1174186520054a
1229bba3a720b0
13123688bcb66a
1473c63014ac4
1539b5c81085c
hex1ea238b6d04

2105130315012 has 24 divisors (see below), whose sum is σ = 4912001342976. Its totient is φ = 701705732448.

The previous prime is 2105130314953. The next prime is 2105130315019.

2105130315012 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2105130315019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1896093 + ... + 2793819.

It is an arithmetic number, because the mean of its divisors is an integer number (204666722624).

Almost surely, 22105130315012 is an apocalyptic number.

It is an amenable number.

2105130315012 is an abundant number, since it is smaller than the sum of its proper divisors (2806871027964).

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

2105130315012 is a wasteful number, since it uses less digits than its factorization.

2105130315012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093147 (or 1093145 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The spelling of 2105130315012 in words is "two trillion, one hundred five billion, one hundred thirty million, three hundred fifteen thousand, twelve".

Divisors: 1 2 3 4 6 12 195413 390826 586239 781652 897727 1172478 1795454 2344956 2693181 3590908 5386362 10772724 175427526251 350855052502 526282578753 701710105004 1052565157506 2105130315012