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61052188045 = 5191321486491
BaseRepresentation
bin111000110110111111…
…100111010110001101
312211120211110111101211
4320312333213112031
52000013330004140
644014052134421
74260634015222
oct706677472615
9184524414354
1061052188045
112398a406562
12b9ba307411
1359ac73a674
142d52507949
1518c4ce22ea
hexe36fe758d

61052188045 has 16 divisors (see below), whose sum is σ = 77177090880. Its totient is φ = 46236009600.

The previous prime is 61052188019. The next prime is 61052188189. The reversal of 61052188045 is 54088125016.

It is a happy number.

It is not a de Polignac number, because 61052188045 - 235 = 26692449677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61052187989 and 61052188007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117751 + ... + 368740.

It is an arithmetic number, because the mean of its divisors is an integer number (4823568180).

Almost surely, 261052188045 is an apocalyptic number.

It is an amenable number.

61052188045 is a deficient number, since it is larger than the sum of its proper divisors (16124902835).

61052188045 is a wasteful number, since it uses less digits than its factorization.

61052188045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487836.

The product of its (nonzero) digits is 76800, while the sum is 40.

The spelling of 61052188045 in words is "sixty-one billion, fifty-two million, one hundred eighty-eight thousand, forty-five".

Divisors: 1 5 19 95 1321 6605 25099 125495 486491 2432455 9243329 46216645 642654611 3213273055 12210437609 61052188045