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2019372012 = 2233711932239
BaseRepresentation
bin111100001011101…
…0010101111101100
312012201210201122000
41320113102233230
513113424401022
6532214052300
7101020243650
oct17027225754
95181721560
102019372012
11946979099
1248434a090
1326249a9a8
1415229ca60
15bc43c6ac
hex785d2bec

2019372012 has 96 divisors (see below), whose sum is σ = 5991014400. Its totient is φ = 576222336.

The previous prime is 2019372011. The next prime is 2019372031. The reversal of 2019372012 is 2102739102.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2019372011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 900789 + ... + 903027.

It is an arithmetic number, because the mean of its divisors is an integer number (62406400).

Almost surely, 22019372012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2019372012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2995507200).

2019372012 is an abundant number, since it is smaller than the sum of its proper divisors (3971642388).

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

2019372012 is a wasteful number, since it uses less digits than its factorization.

2019372012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452 (or 3444 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 2019372012 is about 44937.4232906160. The cubic root of 2019372012 is about 1263.9758539357.

The spelling of 2019372012 in words is "two billion, nineteen million, three hundred seventy-two thousand, twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 1193 2239 2386 3579 4478 4772 6717 7158 8351 8956 10737 13434 14316 15673 16702 20151 21474 25053 26868 31346 32211 33404 40302 42948 47019 50106 60453 62692 64422 75159 80604 94038 100212 120906 128844 141057 150318 188076 225477 241812 282114 300636 423171 450954 564228 846342 901908 1692684 2671127 5342254 8013381 10684508 16026762 18697889 24040143 32053524 37395778 48080286 56093667 72120429 74791556 96160572 112187334 144240858 168281001 224374668 288481716 336562002 504843003 673124004 1009686006 2019372012