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64748210331453 = 31121088316389757
BaseRepresentation
bin11101011100011010111100…
…00100111001111100111101
322111020212110002211012112220
432232031132010321330331
531441313313321101303
6345412530040315553
716431622004013345
oct1656153604717475
9274225402735486
1064748210331453
11196a361a827a00
127318778772bb9
132a18964b701ac
1411dbb89b23d25
157743b22e3053
hex3ae35e139f3d

64748210331453 has 24 divisors (see below), whose sum is σ = 94901419070304. Its totient is φ = 39237731454240.

The previous prime is 64748210331437. The next prime is 64748210331461. The reversal of 64748210331453 is 35413301284746.

It is not a de Polignac number, because 64748210331453 - 24 = 64748210331437 is a prime.

It is a super-2 number, since 2×647482103314532 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64748210331396 and 64748210331405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64748210331473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4244350 + ... + 12145407.

It is an arithmetic number, because the mean of its divisors is an integer number (3954225794596).

Almost surely, 264748210331453 is an apocalyptic number.

It is an amenable number.

64748210331453 is a deficient number, since it is larger than the sum of its proper divisors (30153208738851).

64748210331453 is a wasteful number, since it uses less digits than its factorization.

64748210331453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16400665 (or 16400654 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 51.

The spelling of 64748210331453 in words is "sixty-four trillion, seven hundred forty-eight billion, two hundred ten million, three hundred thirty-one thousand, four hundred fifty-three".

Divisors: 1 3 11 33 121 363 10883 32649 119713 359139 1316843 3950529 16389757 49169271 180287327 540861981 1983160597 5949481791 178369725431 535109176293 1962066979741 5886200939223 21582736777151 64748210331453