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678308441028 = 223211383699463
BaseRepresentation
bin10011101111011100101…
…01010110101111000100
32101211211111000000210220
421313232111112233010
542103133430103103
61235335515544340
7100002054421551
oct11675625265704
92354744000726
10678308441028
1124173a482359
12ab56415b0b0
134bc6c4acb4a
1424b8a4d3a28
151299eaa3c53
hex9dee556bc4

678308441028 has 48 divisors (see below), whose sum is σ = 1594375028736. Its totient is φ = 224443366560.

The previous prime is 678308441023. The next prime is 678308441029. The reversal of 678308441028 is 820144803876.

It is not an unprimeable number, because it can be changed into a prime (678308441021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620025 + ... + 1319487.

It is an arithmetic number, because the mean of its divisors is an integer number (33216146432).

Almost surely, 2678308441028 is an apocalyptic number.

It is an amenable number.

678308441028 is an abundant number, since it is smaller than the sum of its proper divisors (916066587708).

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

678308441028 is a wasteful number, since it uses less digits than its factorization.

678308441028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700064 (or 700062 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 678308441028 in words is "six hundred seventy-eight billion, three hundred eight million, four hundred forty-one thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 211 383 422 633 766 844 1149 1266 1532 2298 2532 4596 80813 161626 242439 323252 484878 699463 969756 1398926 2098389 2797852 4196778 8393556 147586693 267894329 295173386 442760079 535788658 590346772 803682987 885520158 1071577316 1607365974 1771040316 3214731948 56525703419 113051406838 169577110257 226102813676 339154220514 678308441028