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66322570470 = 23513414147753
BaseRepresentation
bin111101110001001000…
…100001110011100110
320100012010121122220220
4331301020201303212
52041312034223340
650245042505210
74535351355522
oct756110416346
9210163548826
1066322570470
11261443a8912
1210a2b365206
13633c5c7150
1432d246cd82
151ad2856ed0
hexf71221ce6

66322570470 has 64 divisors (see below), whose sum is σ = 175599313344. Its totient is φ = 15927367680.

The previous prime is 66322570463. The next prime is 66322570493. The reversal of 66322570470 is 7407522366.

66322570470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2057887 + ... + 2089866.

It is an arithmetic number, because the mean of its divisors is an integer number (2743739271).

Almost surely, 266322570470 is an apocalyptic number.

66322570470 is an abundant number, since it is smaller than the sum of its proper divisors (109276742874).

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

66322570470 is a wasteful number, since it uses less digits than its factorization.

66322570470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147817.

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 66322570470 in words is "sixty-six billion, three hundred twenty-two million, five hundred seventy thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 41 65 78 82 123 130 195 205 246 390 410 533 615 1066 1230 1599 2665 3198 5330 7995 15990 4147753 8295506 12443259 20738765 24886518 41477530 53920789 62216295 107841578 124432590 161762367 170057873 269603945 323524734 340115746 510173619 539207890 808811835 850289365 1020347238 1617623670 1700578730 2210752349 2550868095 4421504698 5101736190 6632257047 11053761745 13264514094 22107523490 33161285235 66322570470