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47445967284 = 22317438960773
BaseRepresentation
bin101100001100000000…
…000000000110110100
311112110120221212101120
4230030000000012310
51234132131423114
633444003423540
73266520032142
oct541400000664
9145416855346
1047445967284
1119138014511
129241684bb0
1346218a2771
142421456592
15137a5445a9
hexb0c0001b4

47445967284 has 96 divisors (see below), whose sum is σ = 121295180160. Its totient is φ = 14375251968.

The previous prime is 47445967279. The next prime is 47445967307. The reversal of 47445967284 is 48276954474.

It is a super-2 number, since 2×474459672842 (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 750322 + ... + 811094.

It is an arithmetic number, because the mean of its divisors is an integer number (1263491460).

Almost surely, 247445967284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47445967284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60647590080).

47445967284 is an abundant number, since it is smaller than the sum of its proper divisors (73849212876).

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

47445967284 is a wasteful number, since it uses less digits than its factorization.

47445967284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60929 (or 60927 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 60.

The spelling of 47445967284 in words is "forty-seven billion, four hundred forty-five million, nine hundred sixty-seven thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 17 34 43 51 68 86 89 102 129 172 178 204 258 267 356 516 534 731 1068 1462 1513 2193 2924 3026 3827 4386 4539 6052 7654 8772 9078 11481 15308 18156 22962 45924 60773 65059 121546 130118 182319 195177 243092 260236 364638 390354 729276 780708 1033141 2066282 2613239 3099423 4132564 5226478 5408797 6198846 7839717 10452956 10817594 12397692 15679434 16226391 21635188 31358868 32452782 44425063 64905564 88850126 91949549 133275189 177700252 183899098 232578271 266550378 275848647 367798196 465156542 533100756 551697294 697734813 930313084 1103394588 1395469626 2790939252 3953830607 7907661214 11861491821 15815322428 23722983642 47445967284