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153450823680 = 2143357111753
BaseRepresentation
bin1000111011101001100…
…0011100000000000000
3112200002020210112001000
42032322120130000000
510003231402324210
6154254435412000
714041440323460
oct2167230340000
9480066715030
10153450823680
115a094a98050
12258a6454000
131161648b56b
1475d9bcbba0
153ed1a25ac0
hex23ba61c000

153450823680 has 1920 divisors, whose sum is σ = 733813032960. Its totient is φ = 29444014080.

The previous prime is 153450823649. The next prime is 153450823703. The reversal of 153450823680 is 86328054351.

153450823680 is a `hidden beast` number, since 1 + 5 + 34 + 508 + 2 + 36 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2895298534 + ... + 2895298586.

It is an arithmetic number, because the mean of its divisors is an integer number (382194288).

Almost surely, 2153450823680 is an apocalyptic number.

153450823680 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 153450823680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366906516480).

153450823680 is an abundant number, since it is smaller than the sum of its proper divisors (580362209280).

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

153450823680 is a wasteful number, since it uses less digits than its factorization.

153450823680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 153450823680 in words is "one hundred fifty-three billion, four hundred fifty million, eight hundred twenty-three thousand, six hundred eighty".