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64380805646059 = 725914573777611
BaseRepresentation
bin11101010001101110100110…
…00011010000011011101011
322102221202010001002101021101
432220313103003100123223
531414303342221133214
6344532044523022231
716363234244506150
oct1650672303203353
9272852101071241
1064380805646059
1119571823423941
12727952166a977
1329c01124b9376
1411c809494c227
15769a5c2ca774
hex3a8dd30d06eb

64380805646059 has 16 divisors (see below), whose sum is σ = 73609018914816. Its totient is φ = 55160332718400.

The previous prime is 64380805645993. The next prime is 64380805646093. The reversal of 64380805646059 is 95064650808346.

It is not a de Polignac number, because 64380805646059 - 29 = 64380805645547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64380805649059) 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, 829493164 + ... + 829570774.

It is an arithmetic number, because the mean of its divisors is an integer number (4600563682176).

Almost surely, 264380805646059 is an apocalyptic number.

64380805646059 is a deficient number, since it is larger than the sum of its proper divisors (9228213268757).

64380805646059 is a wasteful number, since it uses less digits than its factorization.

64380805646059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125946.

The product of its (nonzero) digits is 149299200, while the sum is 64.

The spelling of 64380805646059 in words is "sixty-four trillion, three hundred eighty billion, eight hundred five million, six hundred forty-six thousand, fifty-nine".

Divisors: 1 7 2591 18137 45737 77611 320159 543277 118504567 201090101 829531969 1407630707 3549694307 24847860149 9197257949437 64380805646059