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12431240004 = 22317181336671
BaseRepresentation
bin10111001001111010…
…11010101101000100
31012002100120102102110
423210331122231010
5200424344140004
65413312341020
7620025540141
oct134475325504
935070512373
1012431240004
1152aa124677
1224ab244770
1312315c3621
1485cdd53c8
154cb555589
hex2e4f5ab44

12431240004 has 48 divisors (see below), whose sum is σ = 30882249216. Its totient is φ = 3878438400.

The previous prime is 12431239999. The next prime is 12431240011. The reversal of 12431240004 is 40004213421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131412 + ... + 205259.

It is an arithmetic number, because the mean of its divisors is an integer number (643380192).

Almost surely, 212431240004 is an apocalyptic number.

It is an amenable number.

12431240004 is an abundant number, since it is smaller than the sum of its proper divisors (18451009212).

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

12431240004 is a wasteful number, since it uses less digits than its factorization.

12431240004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336876 (or 336874 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12431240004 its reverse (40004213421), we get a palindrome (52435453425).

The spelling of 12431240004 in words is "twelve billion, four hundred thirty-one million, two hundred forty thousand, four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 181 204 362 543 724 1086 2172 3077 6154 9231 12308 18462 36924 336671 673342 1010013 1346684 2020026 4040052 5723407 11446814 17170221 22893628 34340442 60937451 68680884 121874902 182812353 243749804 365624706 731249412 1035936667 2071873334 3107810001 4143746668 6215620002 12431240004