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1093215540000 = 25354191396899
BaseRepresentation
bin11111110100010001011…
…10010101001100100000
310212111210001220111020110
433322020232111030200
5120402401134240000
62154114415011320
7141660620524533
oct17721056251440
93774701814213
101093215540000
113916a2743861
12157a57809b40
137c12233a9bc
143acaa416a1a
151d685060850
hexfe88b95320

1093215540000 has 480 divisors, whose sum is σ = 3802407840000. Its totient is φ = 274154112000.

The previous prime is 1093215539929. The next prime is 1093215540013. The reversal of 1093215540000 is 455123901.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 1093215540000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 158456551 + ... + 158463449.

It is an arithmetic number, because the mean of its divisors is an integer number (7921683000).

Almost surely, 21093215540000 is an apocalyptic number.

1093215540000 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 1093215540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1901203920000).

1093215540000 is an abundant number, since it is smaller than the sum of its proper divisors (2709192300000).

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

1093215540000 is a wasteful number, since it uses less digits than its factorization.

1093215540000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7090 (or 7067 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 1093215540000 in words is "one trillion, ninety-three billion, two hundred fifteen million, five hundred forty thousand".