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64010428248 = 23313278973561
BaseRepresentation
bin111011100111010100…
…011001111101011000
320010012222220200001210
4323213110121331120
52022043132200443
645223405343120
74424144443224
oct734724317530
9203188820053
1064010428248
1125168244178
12104a4b67aa0
136061590360
14315335d784
1519e9887c33
hexee7519f58

64010428248 has 64 divisors (see below), whose sum is σ = 172399903200. Its totient is φ = 19688186880.

The previous prime is 64010428243. The next prime is 64010428259. The reversal of 64010428248 is 84282401046.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64010428241) 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, 833388 + ... + 906948.

Almost surely, 264010428248 is an apocalyptic number.

It is an amenable number.

64010428248 is an abundant number, since it is smaller than the sum of its proper divisors (108389474952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64010428248 is a wasteful number, since it uses less digits than its factorization.

64010428248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76372 (or 76368 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 39.

The spelling of 64010428248 in words is "sixty-four billion, ten million, four hundred twenty-eight thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 2789 5578 8367 11156 16734 22312 33468 36257 66936 72514 73561 108771 145028 147122 217542 220683 290056 294244 435084 441366 588488 870168 882732 956293 1765464 1912586 2868879 3825172 5737758 7650344 11475516 22951032 205161629 410323258 615484887 820646516 1230969774 1641293032 2461939548 2667101177 4923879096 5334202354 8001303531 10668404708 16002607062 21336809416 32005214124 64010428248