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61060555105 = 5111110191911
BaseRepresentation
bin111000110111011111…
…100010000101100001
312211121102012120211221
4320313133202011201
52000023000230410
644014551335041
74261065104044
oct706737420541
9184542176757
1061060555105
1123994100890
12ba01081481
1359b13a9ba4
142d53684c5b
1518c58e64da
hexe377e2161

61060555105 has 8 divisors (see below), whose sum is σ = 79933817664. Its totient is φ = 44407676400.

The previous prime is 61060555099. The next prime is 61060555121. The reversal of 61060555105 is 50155506016.

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

It is a de Polignac number, because none of the positive numbers 2k-61060555105 is a prime.

It is a super-2 number, since 2×610605551052 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555095901 + ... + 555096010.

It is an arithmetic number, because the mean of its divisors is an integer number (9991727208).

Almost surely, 261060555105 is an apocalyptic number.

It is an amenable number.

61060555105 is a deficient number, since it is larger than the sum of its proper divisors (18873262559).

61060555105 is a wasteful number, since it uses less digits than its factorization.

61060555105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110191927.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 61060555105 in words is "sixty-one billion, sixty million, five hundred fifty-five thousand, one hundred five".

Divisors: 1 5 11 55 1110191911 5550959555 12212111021 61060555105