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61298995342 = 2132357653667
BaseRepresentation
bin111001000101101101…
…000111000010001110
312212020000212121100211
4321011231013002032
52001020020322332
644054350113034
74300021602064
oct710555070216
9185200777324
1061298995342
1123aa6759532
12ba68aab77a
135a1b902aa0
142d771d2034
1518db7e5447
hexe45b4708e

61298995342 has 8 divisors (see below), whose sum is σ = 99021454056. Its totient is φ = 28291843992.

The previous prime is 61298995339. The next prime is 61298995441. The reversal of 61298995342 is 24359989216.

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

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, 1178826808 + ... + 1178826859.

It is an arithmetic number, because the mean of its divisors is an integer number (12377681757).

Almost surely, 261298995342 is an apocalyptic number.

61298995342 is a deficient number, since it is larger than the sum of its proper divisors (37722458714).

61298995342 is a wasteful number, since it uses less digits than its factorization.

61298995342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357653682.

The product of its digits is 8398080, while the sum is 58.

The spelling of 61298995342 in words is "sixty-one billion, two hundred ninety-eight million, nine hundred ninety-five thousand, three hundred forty-two".

Divisors: 1 2 13 26 2357653667 4715307334 30649497671 61298995342