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308445089242 = 2239319719533
BaseRepresentation
bin1000111110100001100…
…00101000110111011010
31002111011001212000022011
410133100300220313122
520023143420323432
6353410412420134
731166361666643
oct4372060506732
91074131760264
10308445089242
111098a12368a4
124b94177764a
132311763c434
1410d0098a6ca
158053cc7847
hex47d0c28dda

308445089242 has 16 divisors (see below), whose sum is σ = 482836095360. Its totient is φ = 147501181872.

The previous prime is 308445089207. The next prime is 308445089279. The reversal of 308445089242 is 242980544803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68908 + ... + 788440.

It is an arithmetic number, because the mean of its divisors is an integer number (30177255960).

Almost surely, 2308445089242 is an apocalyptic number.

308445089242 is a deficient number, since it is larger than the sum of its proper divisors (174391006118).

308445089242 is a wasteful number, since it uses less digits than its factorization.

308445089242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728877.

The product of its (nonzero) digits is 2211840, while the sum is 49.

The spelling of 308445089242 in words is "three hundred eight billion, four hundred forty-five million, eighty-nine thousand, two hundred forty-two".

Divisors: 1 2 23 46 9319 18638 214337 428674 719533 1439066 16549259 33098518 6705328027 13410656054 154222544621 308445089242