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19314554112 = 283373710789
BaseRepresentation
bin10001111111001111…
…001011010100000000
31211212001202000021000
4101333033023110000
5304024011212422
612512321532000
71252430000250
oct217717132400
954761660230
1019314554112
118211620417
1238b04a4000
131a8a692c59
14d13259960
157809c0cac
hex47f3cb500

19314554112 has 288 divisors, whose sum is σ = 67046470400. Its totient is φ = 5368799232.

The previous prime is 19314554087. The next prime is 19314554113. The reversal of 19314554112 is 21145541391.

19314554112 is a `hidden beast` number, since 1 + 93 + 1 + 4 + 554 + 1 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×193145541122 (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19314554113) 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 31 ways as a sum of consecutive naturals, for example, 1784814 + ... + 1795602.

Almost surely, 219314554112 is an apocalyptic number.

19314554112 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 19314554112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33523235200).

19314554112 is an abundant number, since it is smaller than the sum of its proper divisors (47731916288).

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

19314554112 is a wasteful number, since it uses less digits than its factorization.

19314554112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10858 (or 10838 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The spelling of 19314554112 in words is "nineteen billion, three hundred fourteen million, five hundred fifty-four thousand, one hundred twelve".