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61309246054 = 274379231861
BaseRepresentation
bin111001000110010100…
…001101101001100110
312212020202011101200211
4321012110031221212
52001030131333204
644055353530034
74300204664410
oct710624155146
9185222141624
1061309246054
112400151aaa1
12ba7041391a
135a20a817b4
142d786dd9b0
1518dc66c804
hexe4650da66

61309246054 has 8 divisors (see below), whose sum is σ = 105101564688. Its totient is φ = 26275391160.

The previous prime is 61309246001. The next prime is 61309246069. The reversal of 61309246054 is 45064290316.

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

It is a junction number, because it is equal to n+sod(n) for n = 61309245998 and 61309246016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189615917 + ... + 2189615944.

It is an arithmetic number, because the mean of its divisors is an integer number (13137695586).

Almost surely, 261309246054 is an apocalyptic number.

61309246054 is a deficient number, since it is larger than the sum of its proper divisors (43792318634).

61309246054 is a wasteful number, since it uses less digits than its factorization.

61309246054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379231870.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 61309246054 in words is "sixty-one billion, three hundred nine million, two hundred forty-six thousand, fifty-four".

Divisors: 1 2 7 14 4379231861 8758463722 30654623027 61309246054