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61393826224247 = 1167142758375853
BaseRepresentation
bin11011111010110010111010…
…01101000001100001110111
322001101012012022100000020212
431331121131031001201313
531021334024003133442
6334323533455420035
715634362150364316
oct1575313515014167
9261335168300225
1061393826224247
111861aa80408290
126a7665022461b
13283454a3b47ca
14112369701a27d
15716edac00a82
hex37d65d341877

61393826224247 has 16 divisors (see below), whose sum is σ = 68022347121792. Its totient is φ = 54941016868320.

The previous prime is 61393826224243. The next prime is 61393826224249. The reversal of 61393826224247 is 74242262839316.

It is not a de Polignac number, because 61393826224247 - 22 = 61393826224243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61393826224243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28136228 + ... + 30239625.

It is an arithmetic number, because the mean of its divisors is an integer number (4251396695112).

Almost surely, 261393826224247 is an apocalyptic number.

61393826224247 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

61393826224247 is a deficient number, since it is larger than the sum of its proper divisors (6628520897545).

61393826224247 is a wasteful number, since it uses less digits than its factorization.

61393826224247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58377358.

The product of its digits is 41803776, while the sum is 59.

The spelling of 61393826224247 in words is "sixty-one trillion, three hundred ninety-three billion, eight hundred twenty-six million, two hundred twenty-four thousand, two hundred forty-seven".

Divisors: 1 11 67 737 1427 15697 95609 1051699 58375853 642134383 3911182151 43023003661 83302342231 916325764541 5581256929477 61393826224247