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47620927830 = 2357259549071
BaseRepresentation
bin101100010110011011…
…011011000101010110
311112220210011210010210
4230112123123011112
51240011424142310
633513213430250
73304043131200
oct542633330526
9145823153123
1047620927830
1119217854a03
12929019b386
13464bc00908
14243a79b770
15138aaa4820
hexb166db156

47620927830 has 96 divisors (see below), whose sum is σ = 135203489280. Its totient is φ = 10700276160.

The previous prime is 47620927807. The next prime is 47620927859. The reversal of 47620927830 is 3872902674.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47620927830.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 187806 + ... + 361265.

It is an arithmetic number, because the mean of its divisors is an integer number (1408369680).

Almost surely, 247620927830 is an apocalyptic number.

47620927830 is an abundant number, since it is smaller than the sum of its proper divisors (87582561450).

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

47620927830 is a wasteful number, since it uses less digits than its factorization.

47620927830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549154 (or 549147 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 47620927830 in words is "forty-seven billion, six hundred twenty million, nine hundred twenty-seven thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 59 70 98 105 118 147 177 210 245 294 295 354 413 490 590 735 826 885 1239 1470 1770 2065 2478 2891 4130 5782 6195 8673 12390 14455 17346 28910 43365 86730 549071 1098142 1647213 2745355 3294426 3843497 5490710 7686994 8236065 11530491 16472130 19217485 23060982 26904479 32395189 38434970 53808958 57652455 64790378 80713437 97185567 115304910 134522395 161426874 161975945 194371134 226766323 269044790 323951890 403567185 453532646 485927835 680298969 807134370 971855670 1133831615 1360597938 1587364261 2267663230 3174728522 3401494845 4762092783 6802989690 7936821305 9524185566 15873642610 23810463915 47620927830