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2154044343000 = 2335311487134033
BaseRepresentation
bin11111010110000111000…
…011000100001011011000
321121220222001110021110010
4133112013003010023120
5240242440322434000
64325315421521520
7311424140546544
oct37260703041330
97556861407403
102154044343000
1176058596a770
122a95751132a0
1312818298c7a4
1476383418a24
153b071b90d50
hex1f5870c42d8

2154044343000 has 256 divisors, whose sum is σ = 7346693053440. Its totient is φ = 521116416000.

The previous prime is 2154044342963. The next prime is 2154044343053. The reversal of 2154044343000 is 3434404512.

It is a super-2 number, since 2×21540443430002 (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 16003984 + ... + 16138016.

It is an arithmetic number, because the mean of its divisors is an integer number (28698019740).

Almost surely, 22154044343000 is an apocalyptic number.

2154044343000 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 2154044343000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3673346526720).

2154044343000 is an abundant number, since it is smaller than the sum of its proper divisors (5192648710440).

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

2154044343000 is a wasteful number, since it uses less digits than its factorization.

2154044343000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134555 (or 134541 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 2154044343000 its reverse (3434404512), we get a palindrome (2157478747512).

The spelling of 2154044343000 in words is "two trillion, one hundred fifty-four billion, forty-four million, three hundred forty-three thousand".