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2140073540 = 2251119075101
BaseRepresentation
bin111111110001110…
…1110111001000100
312112010220222222222
41333203232321010
513340324323130
6552205111512
7104014216313
oct17743567104
95463828888
102140073540
119a9019a20
124b8858598
132814ac007
1416431c27a
15c7d30ce5
hex7f8eee44

2140073540 has 48 divisors (see below), whose sum is σ = 4906246464. Its totient is φ = 777648000.

The previous prime is 2140073503. The next prime is 2140073557. The reversal of 2140073540 is 453700412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416990 + ... + 422090.

It is an arithmetic number, because the mean of its divisors is an integer number (102213468).

Almost surely, 22140073540 is an apocalyptic number.

2140073540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140073540 is an abundant number, since it is smaller than the sum of its proper divisors (2766172924).

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

2140073540 is a wasteful number, since it uses less digits than its factorization.

2140073540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7028 (or 7026 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 2140073540 is about 46260.9288709165. The cubic root of 2140073540 is about 1288.6735037381.

Adding to 2140073540 its reverse (453700412), we get a palindrome (2593773952).

The spelling of 2140073540 in words is "two billion, one hundred forty million, seventy-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1907 3814 5101 7628 9535 10202 19070 20404 20977 25505 38140 41954 51010 56111 83908 102020 104885 112222 209770 224444 280555 419540 561110 1122220 9727607 19455214 38910428 48638035 97276070 107003677 194552140 214007354 428014708 535018385 1070036770 2140073540