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61056006060505 = 517718305953653
BaseRepresentation
bin11011110000111101101011…
…00011010111100111011001
322000011220020001002121012111
431320132311203113213121
531000320200022414010
6333504424133112321
715601102514356621
oct1570366543274731
9260156201077174
1061056006060505
11184aa785770215
126a21090a886a1
13280b730cc51b1
1411111ab019881
1570d3180e258a
hex3787b58d79d9

61056006060505 has 8 divisors (see below), whose sum is σ = 77577042994632. Its totient is φ = 45971581033728.

The previous prime is 61056006060503. The next prime is 61056006060509. The reversal of 61056006060505 is 50506060065016.

It can be written as a sum of positive squares in 4 ways, for example, as 14006777808969 + 47049228251536 = 3742563^2 + 6859244^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61056006060505 - 21 = 61056006060503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61056006060503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359152976742 + ... + 359152976911.

It is an arithmetic number, because the mean of its divisors is an integer number (9697130374329).

Almost surely, 261056006060505 is an apocalyptic number.

It is an amenable number.

61056006060505 is a deficient number, since it is larger than the sum of its proper divisors (16521036934127).

61056006060505 is a wasteful number, since it uses less digits than its factorization.

61056006060505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718305953675.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 61056006060505 in words is "sixty-one trillion, fifty-six billion, six million, sixty thousand, five hundred five".

Divisors: 1 5 17 85 718305953653 3591529768265 12211201212101 61056006060505