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64175057146 = 2397269330013
BaseRepresentation
bin111011110001001000…
…011010100011111010
320010122110200200110101
4323301020122203322
52022412303312041
645252010110014
74431213661654
oct736110324372
9203573620411
1064175057146
1125242168312
121053011b30a
1360897119c5
14316b1756d4
151a09056b31
hexef121a8fa

64175057146 has 16 divisors (see below), whose sum is σ = 96544112904. Its totient is φ = 31993752384.

The previous prime is 64175057131. The next prime is 64175057161.

64175057146 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (64175057131) and next prime (64175057161).

It can be written as a sum of positive squares in 4 ways, for example, as 35023251025 + 29151806121 = 187145^2 + 170739^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64175057096 and 64175057105.

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, 2123236 + ... + 2153248.

Almost surely, 264175057146 is an apocalyptic number.

64175057146 is a deficient number, since it is larger than the sum of its proper divisors (32369055758).

64175057146 is a wasteful number, since it uses less digits than its factorization.

64175057146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33105.

The product of its (nonzero) digits is 705600, while the sum is 46.

It can be divided in two parts, 641750 and 57146, that added together give a palindrome (698896).

The spelling of 64175057146 in words is "sixty-four billion, one hundred seventy-five million, fifty-seven thousand, one hundred forty-six".

Divisors: 1 2 397 794 2693 5386 30013 60026 1069121 2138242 11915161 23830322 80825009 161650018 32087528573 64175057146