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194003031200 = 255211234322291
BaseRepresentation
bin1011010010101101111…
…0110101010010100000
3200112202101221002211212
42310223132311102200
511134304233444300
6225042422125252
720005401361646
oct2645336652240
9615671832755
10194003031200
1175304720840
1231723280828
13153a9a75024
149565861196
1550a6c39935
hex2d2b7b54a0

194003031200 has 288 divisors, whose sum is σ = 551691689472. Its totient is φ = 65907072000.

The previous prime is 194003031197. The next prime is 194003031241. The reversal of 194003031200 is 2130300491.

194003031200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1940030312002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8692055 + ... + 8714345.

It is an arithmetic number, because the mean of its divisors is an integer number (1915596144).

Almost surely, 2194003031200 is an apocalyptic number.

194003031200 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 194003031200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275845844736).

194003031200 is an abundant number, since it is smaller than the sum of its proper divisors (357688658272).

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

194003031200 is a wasteful number, since it uses less digits than its factorization.

194003031200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22388 (or 22375 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 194003031200 its reverse (2130300491), we get a palindrome (196133331691).

The spelling of 194003031200 in words is "one hundred ninety-four billion, three million, thirty-one thousand, two hundred".