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12389860859904 = 213351129109179
BaseRepresentation
bin1011010001001011110101…
…0000010110000000000000
31121212110101201001210100000
42310102331100112000000
53110443413340004104
642203453513200000
72416065205442223
oct264227520260000
947773351053300
1012389860859904
113a475684a8180
1214812a3400000
136bb488574938
1430b95b35d5ba
1516744e624639
hexb44bd416000

12389860859904 has 1344 divisors, whose sum is σ = 42507200736000. Its totient is φ = 3571714621440.

The previous prime is 12389860859897. The next prime is 12389860859941. The reversal of 12389860859904 is 40995806898321.

12389860859904 is a `hidden beast` number, since 1 + 2 + 3 + 8 + 9 + 8 + 608 + 5 + 9 + 9 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 69217099687 + ... + 69217099865.

It is an arithmetic number, because the mean of its divisors is an integer number (31627381500).

Almost surely, 212389860859904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12389860859904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21253600368000).

12389860859904 is an abundant number, since it is smaller than the sum of its proper divisors (30117339876096).

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

12389860859904 is a wasteful number, since it uses less digits than its factorization.

12389860859904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 72.

The spelling of 12389860859904 in words is "twelve trillion, three hundred eighty-nine billion, eight hundred sixty million, eight hundred fifty-nine thousand, nine hundred four".