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19073295780 = 22357116167679
BaseRepresentation
bin10001110000110110…
…110110010110100100
31211020020202211001020
4101300312312112210
5303030230431110
612432342531140
71243440224220
oct216066662644
954206684036
1019073295780
1180a8418470
123843736ab0
131a4c6c1446
14ccd1b7780
15769716d70
hex470db65a4

19073295780 has 192 divisors, whose sum is σ = 67675668480. Its totient is φ = 3898252800.

The previous prime is 19073295751. The next prime is 19073295781. The reversal of 19073295780 is 8759237091.

It is a super-2 number, since 2×190732957802 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19073295781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 247981 + ... + 315659.

It is an arithmetic number, because the mean of its divisors is an integer number (352477440).

Almost surely, 219073295780 is an apocalyptic number.

19073295780 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 19073295780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33837834240).

19073295780 is an abundant number, since it is smaller than the sum of its proper divisors (48602372700).

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

19073295780 is a wasteful number, since it uses less digits than its factorization.

19073295780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67770 (or 67768 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The spelling of 19073295780 in words is "nineteen billion, seventy-three million, two hundred ninety-five thousand, seven hundred eighty".