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1904120479392 = 253418922812383
BaseRepresentation
bin11011101101010110011…
…011001011111010100000
320202000212102121112211020
4123231112123023322200
5222144114320320032
64014424010045440
7254365611012015
oct33552633137240
96660772545736
101904120479392
1167459540895a
12269046119880
1310a73360a521
1468234b8570c
15347e58b5b2c
hex1bb566cbea0

1904120479392 has 192 divisors, whose sum is σ = 5182200737280. Its totient is φ = 611743334400.

The previous prime is 1904120479361. The next prime is 1904120479399. The reversal of 1904120479392 is 2939740214091.

It is not an unprimeable number, because it can be changed into a prime (1904120479399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 799042233 + ... + 799044615.

It is an arithmetic number, because the mean of its divisors is an integer number (26990628840).

Almost surely, 21904120479392 is an apocalyptic number.

1904120479392 is a gapful number since it is divisible by the number (12) 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 1904120479392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2591100368640).

1904120479392 is an abundant number, since it is smaller than the sum of its proper divisors (3278080257888).

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

1904120479392 is a wasteful number, since it uses less digits than its factorization.

1904120479392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4807 (or 4799 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 1904120479392 in words is "one trillion, nine hundred four billion, one hundred twenty million, four hundred seventy-nine thousand, three hundred ninety-two".