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61484005646 = 2728571537177
BaseRepresentation
bin111001010000101110…
…110111100100001110
312212200221000002210022
4321100232313210032
52001404401140041
644124555342142
74304426265530
oct712056674416
9185627002708
1061484005646
1124091133508
12babaa51952
135a4b03c33b
142d939d1850
1518ecb8d24b
hexe50bb790e

61484005646 has 16 divisors (see below), whose sum is σ = 105438113376. Its totient is φ = 26341047936.

The previous prime is 61484005637. The next prime is 61484005657. The reversal of 61484005646 is 64650048416.

It is a junction number, because it is equal to n+sod(n) for n = 61484005597 and 61484005606.

It is a congruent 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, 728591 + ... + 808586.

It is an arithmetic number, because the mean of its divisors is an integer number (6589882086).

Almost surely, 261484005646 is an apocalyptic number.

61484005646 is a deficient number, since it is larger than the sum of its proper divisors (43954107730).

61484005646 is a wasteful number, since it uses less digits than its factorization.

61484005646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540043.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 61484005646 in words is "sixty-one billion, four hundred eighty-four million, five thousand, six hundred forty-six".

Divisors: 1 2 7 14 2857 5714 19999 39998 1537177 3074354 10760239 21520478 4391714689 8783429378 30742002823 61484005646