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19199052000 = 2533531710457
BaseRepresentation
bin10001111000010110…
…100100100011100000
31211120000101220011000
4101320112210203200
5303304424131000
612453034152000
71246525151352
oct217026444340
954500356130
1019199052000
118162400a27
123879882600
131a6c7823cb
14d01b910d2
157757a8000
hex4785a48e0

19199052000 has 384 divisors, whose sum is σ = 74002481280. Its totient is φ = 4818124800.

The previous prime is 19199051981. The next prime is 19199052071. The reversal of 19199052000 is 25099191.

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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1830772 + ... + 1841228.

It is an arithmetic number, because the mean of its divisors is an integer number (192714795).

Almost surely, 219199052000 is an apocalyptic number.

19199052000 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 19199052000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37001240640).

19199052000 is an abundant number, since it is smaller than the sum of its proper divisors (54803429280).

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

19199052000 is a wasteful number, since it uses less digits than its factorization.

19199052000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10508 (or 10484 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 36.

The spelling of 19199052000 in words is "nineteen billion, one hundred ninety-nine million, fifty-two thousand".