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306868431372 = 223971571679189
BaseRepresentation
bin1000111011100101100…
…10001010101000001100
31002100002012002111022020
410131302302022220030
520011431304300442
6352550131250140
731112325425526
oct4356262125014
91070065074266
10306868431372
11109162258468
124b581749950
1322c25aba099
1410bd1410a16
157eb06899ec
hex4772c8aa0c

306868431372 has 48 divisors (see below), whose sum is σ = 728016182880. Its totient is φ = 100590077952.

The previous prime is 306868431371. The next prime is 306868431409. The reversal of 306868431372 is 273134868603.

It is not an unprimeable number, because it can be changed into a prime (306868431371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 656847 + ... + 1022342.

It is an arithmetic number, because the mean of its divisors is an integer number (15167003810).

Almost surely, 2306868431372 is an apocalyptic number.

It is an amenable number.

306868431372 is an abundant number, since it is smaller than the sum of its proper divisors (421147751508).

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

306868431372 is a wasteful number, since it uses less digits than its factorization.

306868431372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679450 (or 1679448 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 306868431372 in words is "three hundred six billion, eight hundred sixty-eight million, four hundred thirty-one thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 97 157 194 291 314 388 471 582 628 942 1164 1884 15229 30458 45687 60916 91374 182748 1679189 3358378 5037567 6716756 10075134 20150268 162881333 263632673 325762666 488643999 527265346 651525332 790898019 977287998 1054530692 1581796038 1954575996 3163592076 25572369281 51144738562 76717107843 102289477124 153434215686 306868431372