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308252128268 = 22711009004581
BaseRepresentation
bin1000111110001010100…
…00100011010000001100
31002110122121202120121102
410133011100203100030
520022300021101033
6353335320522232
731161526600340
oct4370520432014
91073577676542
10308252128268
11109802321417
124b8a9020378
13230b667b046
1410cc30bb620
158041dadde8
hex47c542340c

308252128268 has 12 divisors (see below), whose sum is σ = 616504256592. Its totient is φ = 132108054960.

The previous prime is 308252128267. The next prime is 308252128277. The reversal of 308252128268 is 862821252803.

308252128268 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (308252128267) 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, 5504502263 + ... + 5504502318.

It is an arithmetic number, because the mean of its divisors is an integer number (51375354716).

Almost surely, 2308252128268 is an apocalyptic number.

It is an amenable number.

308252128268 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.

308252128268 is a wasteful number, since it uses less digits than its factorization.

308252128268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11009004592 (or 11009004590 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 308252128268 in words is "three hundred eight billion, two hundred fifty-two million, one hundred twenty-eight thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 14 28 11009004581 22018009162 44036018324 77063032067 154126064134 308252128268