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1923904210068 = 223583181359367
BaseRepresentation
bin11011111111110001101…
…000001000010010010100
320210220221012012012100000
4123333301220020102110
5223010123434210233
64031455052051300
7255666065651061
oct33776150102224
96726835165300
101923904210068
11681a178525a5
12270a47763b30
1310c567252839
1469190451c68
15350a2661d13
hex1bff1a08494

1923904210068 has 288 divisors, whose sum is σ = 5160602603520. Its totient is φ = 626607342720.

The previous prime is 1923904210057. The next prime is 1923904210091. The reversal of 1923904210068 is 8600124093291.

1923904210068 is a `hidden beast` number, since 192 + 39 + 0 + 421 + 0 + 0 + 6 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5242245621 + ... + 5242245987.

It is an arithmetic number, because the mean of its divisors is an integer number (17918759040).

Almost surely, 21923904210068 is an apocalyptic number.

1923904210068 is a gapful number since it is divisible by the number (18) 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 1923904210068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2580301301760).

1923904210068 is an abundant number, since it is smaller than the sum of its proper divisors (3236698393452).

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

1923904210068 is a wasteful number, since it uses less digits than its factorization.

1923904210068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 1923904210068 in words is "one trillion, nine hundred twenty-three billion, nine hundred four million, two hundred ten thousand, sixty-eight".