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12402340000 = 2554620117
BaseRepresentation
bin10111000110011110…
…01011000010100000
31012000100012011001221
423203033023002200
5200344444340000
65410401104424
7616225102441
oct134317130240
935010164057
1012402340000
115294885676
1224a1628114
13122861522b
148592312c8
154c8c4761a
hex2e33cb0a0

12402340000 has 60 divisors (see below), whose sum is σ = 30511665954. Its totient is φ = 4960928000.

The previous prime is 12402339967. The next prime is 12402340031. The reversal of 12402340000 is 4320421.

It can be written as a sum of positive squares in 5 ways, for example, as 124813584 + 12277526416 = 11172^2 + 110804^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 290059 + ... + 330058.

Almost surely, 212402340000 is an apocalyptic number.

12402340000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12402340000 is an abundant number, since it is smaller than the sum of its proper divisors (18109325954).

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

12402340000 is an frugal number, since it uses more digits than its factorization.

12402340000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620147 (or 620124 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 12402340000 its reverse (4320421), we get a palindrome (12406660421).

The spelling of 12402340000 in words is "twelve billion, four hundred two million, three hundred forty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 4000 5000 10000 20000 620117 1240234 2480468 3100585 4960936 6201170 9921872 12402340 15502925 19843744 24804680 31005850 49609360 62011700 77514625 99218720 124023400 155029250 248046800 310058500 387573125 496093600 620117000 775146250 1240234000 1550292500 2480468000 3100585000 6201170000 12402340000