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123473320704 = 2834172397157
BaseRepresentation
bin111001011111110010…
…1010101101100000000
3102210201001211120210000
41302333211111230000
54010333132230304
6132420045440000
711630532623556
oct1627745255400
9383631746700
10123473320704
114840151a3a8
121bb1ab70000
13b849972316
145d9475bbd6
153329d92939
hex1cbf955b00

123473320704 has 720 divisors, whose sum is σ = 413593000128. Its totient is φ = 36436967424.

The previous prime is 123473320699. The next prime is 123473320753. The reversal of 123473320704 is 407023374321.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 79 ways as a sum of consecutive naturals, for example, 786454194 + ... + 786454350.

Almost surely, 2123473320704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123473320704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206796500064).

123473320704 is an abundant number, since it is smaller than the sum of its proper divisors (290119679424).

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

123473320704 is a wasteful number, since it uses less digits than its factorization.

123473320704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The spelling of 123473320704 in words is "one hundred twenty-three billion, four hundred seventy-three million, three hundred twenty thousand, seven hundred four".