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2140124320 = 25547284591
BaseRepresentation
bin111111110001111…
…1011010010100000
312112011000120122201
41333203323102200
513340332434240
6552210142544
7104014520335
oct17743732240
95464016581
102140124320
119a9054094
124b8881a54
132814c9169
1416433298c
15c7d40d9a
hex7f8fb4a0

2140124320 has 48 divisors (see below), whose sum is σ = 5163637248. Its totient is φ = 837832960.

The previous prime is 2140124293. The next prime is 2140124321. The reversal of 2140124320 is 234210412.

It is not an unprimeable number, because it can be changed into a prime (2140124321) 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, 134776 + ... + 149815.

It is an arithmetic number, because the mean of its divisors is an integer number (107575776).

Almost surely, 22140124320 is an apocalyptic number.

2140124320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140124320 is an abundant number, since it is smaller than the sum of its proper divisors (3023512928).

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

2140124320 is a wasteful number, since it uses less digits than its factorization.

2140124320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284653 (or 284645 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2140124320 is about 46261.4777109422. The cubic root of 2140124320 is about 1288.6836962730.

Adding to 2140124320 its reverse (234210412), we get a palindrome (2374334732).

The spelling of 2140124320 in words is "two billion, one hundred forty million, one hundred twenty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 47 80 94 160 188 235 376 470 752 940 1504 1880 3760 7520 284591 569182 1138364 1422955 2276728 2845910 4553456 5691820 9106912 11383640 13375777 22767280 26751554 45534560 53503108 66878885 107006216 133757770 214012432 267515540 428024864 535031080 1070062160 2140124320