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2111300240 = 24572538597
BaseRepresentation
bin111110111010111…
…1110001010010000
312110010210011110012
41331311332022100
513310443101430
6545300254052
7103214520200
oct17565761220
95403704405
102111300240
11993857135
124ab0a1328
132785464aa
1416058c400
15c554a695
hex7dd7e290

2111300240 has 60 divisors (see below), whose sum is σ = 5710215996. Its totient is φ = 723873024.

The previous prime is 2111300239. The next prime is 2111300281. The reversal of 2111300240 is 420031112.

It can be written as a sum of positive squares in 2 ways, for example, as 449270416 + 1662029824 = 21196^2 + 40768^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265379 + ... + 273218.

Almost surely, 22111300240 is an apocalyptic number.

2111300240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111300240 is an abundant number, since it is smaller than the sum of its proper divisors (3598915756).

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

2111300240 is a wasteful number, since it uses less digits than its factorization.

2111300240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538624 (or 538611 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2111300240 is about 45948.8872552971. The cubic root of 2111300240 is about 1282.8720178471.

Adding to 2111300240 its reverse (420031112), we get a palindrome (2531331352).

The spelling of 2111300240 in words is "two billion, one hundred eleven million, three hundred thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 80 98 112 140 196 245 280 392 490 560 784 980 1960 3920 538597 1077194 2154388 2692985 3770179 4308776 5385970 7540358 8617552 10771940 15080716 18850895 21543880 26391253 30161432 37701790 43087760 52782506 60322864 75403580 105565012 131956265 150807160 211130024 263912530 301614320 422260048 527825060 1055650120 2111300240