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2154350130000 = 24354452315877
BaseRepresentation
bin11111010110011001010…
…001100011001101010000
321121221202100211212100120
4133112121101203031100
5240244102113130000
64325410023550240
7311434542651045
oct37263121431520
97557670755316
102154350130000
11760722536aa2
122a963b5bb380
13128201135643
14763b1c971cc
153b08d9446a0
hex1f599463350

2154350130000 has 200 divisors, whose sum is σ = 6956505180768. Its totient is φ = 574330176000.

The previous prime is 2154350129999. The next prime is 2154350130017. The reversal of 2154350130000 is 310534512.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 135682062 + ... + 135697938.

Almost surely, 22154350130000 is an apocalyptic number.

2154350130000 is a gapful number since it is divisible by the number (20) 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 2154350130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3478252590384).

2154350130000 is an abundant number, since it is smaller than the sum of its proper divisors (4802155050768).

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

2154350130000 is a wasteful number, since it uses less digits than its factorization.

2154350130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20431 (or 20410 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 2154350130000 its reverse (310534512), we get a palindrome (2154660664512).

The spelling of 2154350130000 in words is "two trillion, one hundred fifty-four billion, three hundred fifty million, one hundred thirty thousand".