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12340375480 = 2351718147611
BaseRepresentation
bin10110111111000101…
…10010111110111000
31011212000121000201201
423133202302332320
5200233114003410
65400305023544
7614543314036
oct133742627670
934760530651
1012340375480
115262902824
122484924bb4
13121882b034
14850d01556
154c35a783a
hex2df8b2fb8

12340375480 has 32 divisors (see below), whose sum is σ = 29399131440. Its totient is φ = 4645788160.

The previous prime is 12340375477. The next prime is 12340375483. The reversal of 12340375480 is 8457304321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12340375477) and next prime (12340375483).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340375483) 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, 9073126 + ... + 9074485.

Almost surely, 212340375480 is an apocalyptic number.

12340375480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12340375480 is an abundant number, since it is smaller than the sum of its proper divisors (17058755960).

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

12340375480 is a wasteful number, since it uses less digits than its factorization.

12340375480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18147639 (or 18147635 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 12340375480 in words is "twelve billion, three hundred forty million, three hundred seventy-five thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 18147611 36295222 72590444 90738055 145180888 181476110 308509387 362952220 617018774 725904440 1234037548 1542546935 2468075096 3085093870 6170187740 12340375480