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2141350240 = 25564120879
BaseRepresentation
bin111111110100010…
…0110100101100000
312112020022212022011
41333220212211200
513341141201430
6552252322304
7104031114421
oct17750464540
95466285264
102141350240
119a9811147
124b9173394
13281838163
14164571648
15c7ed422a
hex7fa26960

2141350240 has 48 divisors (see below), whose sum is σ = 5067074880. Its totient is φ = 855162880.

The previous prime is 2141350223. The next prime is 2141350241. The reversal of 2141350240 is 420531412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141350241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92121 + ... + 112999.

It is an arithmetic number, because the mean of its divisors is an integer number (105564060).

Almost surely, 22141350240 is an apocalyptic number.

2141350240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2141350240 is an abundant number, since it is smaller than the sum of its proper divisors (2925724640).

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

2141350240 is a wasteful number, since it uses less digits than its factorization.

2141350240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21535 (or 21527 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2141350240 is about 46274.7257150164. The cubic root of 2141350240 is about 1288.9297133764.

Adding to 2141350240 its reverse (420531412), we get a palindrome (2561881652).

The spelling of 2141350240 in words is "two billion, one hundred forty-one million, three hundred fifty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 641 1282 2564 3205 5128 6410 10256 12820 20512 20879 25640 41758 51280 83516 102560 104395 167032 208790 334064 417580 668128 835160 1670320 3340640 13383439 26766878 53533756 66917195 107067512 133834390 214135024 267668780 428270048 535337560 1070675120 2141350240