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1920190920192 = 2932416708099
BaseRepresentation
bin11011111100010100010…
…011000011011000000000
320210120100101222112020100
4123330110103003120000
5222430022333421232
64030042403242400
7255505056343056
oct33742423033000
96716311875210
101920190920192
11680391795996
12270190079400
1310c0c4b57aac
1468d1b2121d6
1534e36672c7c
hex1bf144c3600

1920190920192 has 60 divisors (see below), whose sum is σ = 5541801021900. Its totient is φ = 640063638528.

The previous prime is 1920190920187. The next prime is 1920190920199. The reversal of 1920190920192 is 2910290910291.

1920190920192 is a `hidden beast` number, since 192 + 0 + 190 + 92 + 0 + 192 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920190920199) 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 5 ways as a sum of consecutive naturals, for example, 208349442 + ... + 208358657.

It is an arithmetic number, because the mean of its divisors is an integer number (92363350365).

Almost surely, 21920190920192 is an apocalyptic number.

1920190920192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1920190920192 is an abundant number, since it is smaller than the sum of its proper divisors (3621610101708).

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

1920190920192 is an equidigital number, since it uses as much as digits as its factorization.

1920190920192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416708123 (or 416708104 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 45.

Subtracting 1920190920192 from its reverse (2910290910291), we obtain a palindrome (990099990099).

The spelling of 1920190920192 in words is "one trillion, nine hundred twenty billion, one hundred ninety million, nine hundred twenty thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1152 1536 2304 4608 416708099 833416198 1250124297 1666832396 2500248594 3333664792 3750372891 5000497188 6667329584 7500745782 10000994376 13334659168 15001491564 20001988752 26669318336 30002983128 40003977504 53338636672 60005966256 80007955008 106677273344 120011932512 160015910016 213354546688 240023865024 320031820032 480047730048 640063640064 960095460096 1920190920192