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19094342400 = 2832527232971
BaseRepresentation
bin10001110010000111…
…001000101100000000
31211021201101002120200
4101302013020230000
5303101122424100
612434414005200
71244114142510
oct216207105400
954251332520
1019094342400
118109293071
12384a7a6800
131a53b80073
14cd1cd5840
1576b4c2e00
hex4721c8b00

19094342400 has 1296 divisors, whose sum is σ = 85404533760. Its totient is φ = 3973939200.

The previous prime is 19094342369. The next prime is 19094342413. The reversal of 19094342400 is 424349091.

19094342400 is a `hidden beast` number, since 190 + 9 + 43 + 424 + 0 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 268934365 + ... + 268934435.

It is an arithmetic number, because the mean of its divisors is an integer number (65898560).

Almost surely, 219094342400 is an apocalyptic number.

19094342400 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 19094342400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42702266880).

19094342400 is an abundant number, since it is smaller than the sum of its proper divisors (66310191360).

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

19094342400 is a wasteful number, since it uses less digits than its factorization.

19094342400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 19094342400 in words is "nineteen billion, ninety-four million, three hundred forty-two thousand, four hundred".