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470047768440 = 233531347364141
BaseRepresentation
bin1101101011100010000…
…01111011111101111000
31122221021102210200211220
412311301001323331320
530200124212042230
6555534214552040
745650136052155
oct6656101737570
91587242720756
10470047768440
11171389790618
1277122068620
133542c93c433
1418a7129122c
15c3612e2d10
hex6d7107bf78

470047768440 has 128 divisors (see below), whose sum is σ = 1459830712320. Its totient is φ = 120952742400.

The previous prime is 470047768363. The next prime is 470047768447. The reversal of 470047768440 is 44867740074.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470047768447) 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 31 ways as a sum of consecutive naturals, for example, 1108770 + ... + 1472910.

It is an arithmetic number, because the mean of its divisors is an integer number (11404927440).

Almost surely, 2470047768440 is an apocalyptic number.

470047768440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 470047768440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729915356160).

470047768440 is an abundant number, since it is smaller than the sum of its proper divisors (989782943880).

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

470047768440 is a wasteful number, since it uses less digits than its factorization.

470047768440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364533 (or 364529 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 51.

The spelling of 470047768440 in words is "four hundred seventy billion, forty-seven million, seven hundred sixty-eight thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 155 186 248 310 347 372 465 620 694 744 930 1041 1240 1388 1735 1860 2082 2776 3470 3720 4164 5205 6940 8328 10410 10757 13880 20820 21514 32271 41640 43028 53785 64542 86056 107570 129084 161355 215140 258168 322710 364141 430280 645420 728282 1092423 1290840 1456564 1820705 2184846 2913128 3641410 4369692 5462115 7282820 8739384 10924230 11288371 14565640 21848460 22576742 33865113 43696920 45153484 56441855 67730226 90306968 112883710 126356927 135460452 169325565 225767420 252713854 270920904 338651130 379070781 451534840 505427708 631784635 677302260 758141562 1010855416 1263569270 1354604520 1516283124 1895353905 2527138540 3032566248 3790707810 3917064737 5054277080 7581415620 7834129474 11751194211 15162831240 15668258948 19585323685 23502388422 31336517896 39170647370 47004776844 58755971055 78341294740 94009553688 117511942110 156682589480 235023884220 470047768440