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11430212140 = 2251753634307
BaseRepresentation
bin10101010010100101…
…10011001000101100
31002111120221221100101
422221102303020230
5141402113242030
65130113040444
7553152125434
oct125122631054
932446857311
1011430212140
114936069616
12226bb56124
1311020b6649
147a609b2c4
1546d71e7ca
hex2a94b322c

11430212140 has 48 divisors (see below), whose sum is σ = 25894989792. Its totient is φ = 4221940736.

The previous prime is 11430212093. The next prime is 11430212149. The reversal of 11430212140 is 4121203411.

It is not an unprimeable number, because it can be changed into a prime (11430212149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299134 + ... + 335173.

It is an arithmetic number, because the mean of its divisors is an integer number (539478954).

Almost surely, 211430212140 is an apocalyptic number.

11430212140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11430212140 is an abundant number, since it is smaller than the sum of its proper divisors (14464777652).

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

11430212140 is a wasteful number, since it uses less digits than its factorization.

11430212140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634386 (or 634384 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11430212140 its reverse (4121203411), we get a palindrome (15551415551).

The spelling of 11430212140 in words is "eleven billion, four hundred thirty million, two hundred twelve thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 53 68 85 106 170 212 265 340 530 901 1060 1802 3604 4505 9010 18020 634307 1268614 2537228 3171535 6343070 10783219 12686140 21566438 33618271 43132876 53916095 67236542 107832190 134473084 168091355 215664380 336182710 571510607 672365420 1143021214 2286042428 2857553035 5715106070 11430212140