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181920000010 = 2572598857143
BaseRepresentation
bin1010100101101101000…
…1101110100000001010
3122101120022120112010011
42221123101232200022
510440033010000020
6215323424542134
716100101325530
oct2513321564012
9571508515104
10181920000010
1170174108651
122b31078194a
131420265b528
148b3abcc150
154aeb06735a
hex2a5b46e80a

181920000010 has 16 divisors (see below), whose sum is σ = 374235428736. Its totient is φ = 62372571408.

The previous prime is 181919999993. The next prime is 181920000047. The reversal of 181920000010 is 10000029181.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1299428502 + ... + 1299428641.

It is an arithmetic number, because the mean of its divisors is an integer number (23389714296).

Almost surely, 2181920000010 is an apocalyptic number.

181920000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

181920000010 is an abundant number, since it is smaller than the sum of its proper divisors (192315428726).

181920000010 is a wasteful number, since it uses less digits than its factorization.

181920000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598857157.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 181920000010 its reverse (10000029181), we get a palindrome (191920029191).

The spelling of 181920000010 in words is "one hundred eighty-one billion, nine hundred twenty million, ten", and thus it is an aban number.

Divisors: 1 2 5 7 10 14 35 70 2598857143 5197714286 12994285715 18192000001 25988571430 36384000002 90960000005 181920000010