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2719018340 = 225135950917
BaseRepresentation
bin1010001000010000…
…1110110101100100
321000111022102221222
42202010032311210
521032032041330
61125445555512
7124244163113
oct24204166544
97014272858
102719018340
1111758a67a5
1263a715b98
133444150bc
141bb183c7a
1510da900e5
hexa210ed64

2719018340 has 12 divisors (see below), whose sum is σ = 5709938556. Its totient is φ = 1087607328.

The previous prime is 2719018307. The next prime is 2719018387. The reversal of 2719018340 is 438109172.

It can be written as a sum of positive squares in 2 ways, for example, as 481539136 + 2237479204 = 21944^2 + 47302^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2719018340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67975439 + ... + 67975478.

It is an arithmetic number, because the mean of its divisors is an integer number (475828213).

Almost surely, 22719018340 is an apocalyptic number.

2719018340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2719018340 is an abundant number, since it is smaller than the sum of its proper divisors (2990920216).

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

2719018340 is a wasteful number, since it uses less digits than its factorization.

2719018340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135950926 (or 135950924 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 2719018340 is about 52144.2071566919. The cubic root of 2719018340 is about 1395.7384595817.

The spelling of 2719018340 in words is "two billion, seven hundred nineteen million, eighteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 135950917 271901834 543803668 679754585 1359509170 2719018340