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61060110505 = 519603622967
BaseRepresentation
bin111000110111011101…
…110101100010101001
312211121101100222222021
4320313131311202221
52000022342014010
644014534024441
74261061242612
oct706735654251
9184541328867
1061060110505
1123993927849
12ba00aa8121
1359b1282704
142d535aac09
1518c58598da
hexe377758a9

61060110505 has 8 divisors (see below), whose sum is σ = 73275988032. Its totient is φ = 48845518128.

The previous prime is 61060110439. The next prime is 61060110533. The reversal of 61060110505 is 50501106016.

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 61060110505 - 221 = 61058013353 is a prime.

It is a super-2 number, since 2×610601105052 (a number of 22 digits) contains 22 as substring.

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 61060110505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213469 + ... + 409498.

It is an arithmetic number, because the mean of its divisors is an integer number (9159498504).

Almost surely, 261060110505 is an apocalyptic number.

It is an amenable number.

61060110505 is a deficient number, since it is larger than the sum of its proper divisors (12215877527).

61060110505 is a wasteful number, since it uses less digits than its factorization.

61060110505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642575.

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 61060110505 in words is "sixty-one billion, sixty million, one hundred ten thousand, five hundred five".

Divisors: 1 5 19603 98015 622967 3114835 12212022101 61060110505