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1381680192 = 2637196251
BaseRepresentation
bin101001001011010…
…1100010001000000
310120021212121220110
41102112230101000
510312202231232
6345034111320
746145042064
oct12226542100
93507777813
101381680192
11649a16862
1232687b540
13190336059
14d1703aa4
1581476acc
hex525ac440

1381680192 has 28 divisors (see below), whose sum is σ = 3655696016. Its totient is φ = 460560000.

The previous prime is 1381680169. The next prime is 1381680203. The reversal of 1381680192 is 2910861831.

It is a self number, because there is not a number n which added to its sum of digits gives 1381680192.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3597934 + ... + 3598317.

It is an arithmetic number, because the mean of its divisors is an integer number (130560572).

Almost surely, 21381680192 is an apocalyptic number.

1381680192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1381680192 is an abundant number, since it is smaller than the sum of its proper divisors (2274015824).

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

1381680192 is an equidigital number, since it uses as much as digits as its factorization.

1381680192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7196266 (or 7196256 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 1381680192 is about 37170.9589868220. The cubic root of 1381680192 is about 1113.7879385374.

The spelling of 1381680192 in words is "one billion, three hundred eighty-one million, six hundred eighty thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 7196251 14392502 21588753 28785004 43177506 57570008 86355012 115140016 172710024 230280032 345420048 460560064 690840096 1381680192