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201211325308 = 2277186118761
BaseRepresentation
bin1011101101100100100…
…0010010101101111100
3201020100202121101102201
42323121020102231330
511244040044402213
6232234001001244
720352130021450
oct2733110225574
9636322541381
10201211325308
11783736028a4
1232bb5323224
1315c8827a506
149a4ad1c660
15537999a6dd
hex2ed9212b7c

201211325308 has 12 divisors (see below), whose sum is σ = 402422650672. Its totient is φ = 86233425120.

The previous prime is 201211325297. The next prime is 201211325309. The reversal of 201211325308 is 803523112102.

201211325308 is an admirable number.

It is a super-3 number, since 3×2012113253083 (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 7186118761 = 201211325308 / (2 + 0 + 1 + 2 + 1 + 1 + 3 + 2 + 5 + 3 + 0 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211325309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3593059353 + ... + 3593059408.

Almost surely, 2201211325308 is an apocalyptic number.

201211325308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

201211325308 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201211325308 is a wasteful number, since it uses less digits than its factorization.

201211325308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7186118772 (or 7186118770 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 201211325308 in words is "two hundred one billion, two hundred eleven million, three hundred twenty-five thousand, three hundred eight".

Divisors: 1 2 4 7 14 28 7186118761 14372237522 28744475044 50302831327 100605662654 201211325308