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1300431012000 = 25353564119211
BaseRepresentation
bin10010111011000111101…
…110101000000010100000
311121022122021101010112120
4102323013232220002200
5132301240314341000
62433224301424240
7162644615135211
oct22730756500240
94538567333476
101300431012000
1146156744995a
1219004786b080
13958264a6523
1446d26903408
1523c61bb26a0
hex12ec7ba80a0

1300431012000 has 192 divisors, whose sum is σ = 4261189016448. Its totient is φ = 346702080000.

The previous prime is 1300431011993. The next prime is 1300431012031. The reversal of 1300431012000 is 2101340031.

It is a super-2 number, since 2×13004310120002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67682395 + ... + 67701605.

It is an arithmetic number, because the mean of its divisors is an integer number (22193692794).

Almost surely, 21300431012000 is an apocalyptic number.

1300431012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1300431012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2130594508224).

1300431012000 is an abundant number, since it is smaller than the sum of its proper divisors (2960758004448).

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

1300431012000 is a wasteful number, since it uses less digits than its factorization.

1300431012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24880 (or 24862 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1300431012000 its reverse (2101340031), we get a palindrome (1302532352031).

The spelling of 1300431012000 in words is "one trillion, three hundred billion, four hundred thirty-one million, twelve thousand".