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67071415401796 = 221323149892
BaseRepresentation
bin11110100000000010001111…
…11000111011110101000100
322210110222001021000210110211
433100001013320323311010
532242344224320324141
6354352103255525204
720061515125206301
oct1720010770736504
9283428037023424
1067071415401796
111a40991149a873
127632a81389804
132b56a65933400
14127c3b95460a8
157b4a34c9ad81
hex3d0047e3bd44

67071415401796 has 27 divisors (see below), whose sum is σ = 127098751327191. Its totient is φ = 30955939601184.

The previous prime is 67071415401779. The next prime is 67071415401797. The reversal of 67071415401796 is 69710451417076.

The square root of 67071415401796 is 8189714.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 42178660140100 + 24892755261696 = 6494510^2 + 4989264^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67071415401796.

It is not an unprimeable number, because it can be changed into a prime (67071415401797) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 212775070 + ... + 213090058.

Almost surely, 267071415401796 is an apocalyptic number.

67071415401796 is the 8189714-th square number.

It is an amenable number.

67071415401796 is a deficient number, since it is larger than the sum of its proper divisors (60027335925395).

67071415401796 is an frugal number, since it uses more digits than its factorization.

67071415401796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630008 (or 315004 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 58.

The spelling of 67071415401796 in words is "sixty-seven trillion, seventy-one billion, four hundred fifteen million, four hundred one thousand, seven hundred ninety-six".

Divisors: 1 2 4 13 26 52 169 338 676 314989 629978 1259956 4094857 8189714 16379428 53233141 106466282 212932564 99218070121 198436140242 396872280484 1289834911573 2579669823146 5159339646292 16767853850449 33535707700898 67071415401796