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306144454451420 = 225133373494001991
BaseRepresentation
bin100010110011011111100111…
…1011101010010000011011100
31111010222010100102000121002202
41011212333033131102003130
5310111332320314421140
63003040453143311032
7121325130655533344
oct10546771735220334
91433863312017082
10306144454451420
1189602152406322
122a404a1a44b478
13101a93b5143170
1455856836a3d24
15255d7be60a915
hex1166fcf7520dc

306144454451420 has 48 divisors (see below), whose sum is σ = 694411931898048. Its totient is φ = 112702528189440.

The previous prime is 306144454451389. The next prime is 306144454451483. The reversal of 306144454451420 is 24154454441603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1746913376 + ... + 1747088615.

It is an arithmetic number, because the mean of its divisors is an integer number (14466915247876).

Almost surely, 2306144454451420 is an apocalyptic number.

It is an amenable number.

306144454451420 is an abundant number, since it is smaller than the sum of its proper divisors (388267477446628).

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

306144454451420 is a wasteful number, since it uses less digits than its factorization.

306144454451420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494002350 (or 3494002348 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 47.

The spelling of 306144454451420 in words is "three hundred six trillion, one hundred forty-four billion, four hundred fifty-four million, four hundred fifty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 337 674 1348 1685 3370 4381 6740 8762 17524 21905 43810 87620 3494001991 6988003982 13976007964 17470009955 34940019910 45422025883 69880039820 90844051766 181688103532 227110129415 454220258830 908440517660 1177478670967 2354957341934 4709914683868 5887393354835 11774786709670 15307222722571 23549573419340 30614445445142 61228890890284 76536113612855 153072227225710 306144454451420