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64630245655403 = 479751179663707
BaseRepresentation
bin11101011000111111001101…
…10101011000001101101011
322110211120221221110202121222
432230133212311120031223
531432400220341433103
6345242420332052255
716420244510554121
oct1654374665301553
9273746857422558
1064630245655403
111965859584689a
1272b993660408b
132a0a7b554a52c
1411d6198c2d911
157712aad7b638
hex3ac7e6d5836b

64630245655403 has 8 divisors (see below), whose sum is σ = 64851412039680. Its totient is φ = 64409438601000.

The previous prime is 64630245655397. The next prime is 64630245655421. The reversal of 64630245655403 is 30455654203646.

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

It is a cyclic number.

It is not a de Polignac number, because 64630245655403 - 210 = 64630245654379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64630245655483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89472125 + ... + 90191582.

It is an arithmetic number, because the mean of its divisors is an integer number (8106426504960).

Almost surely, 264630245655403 is an apocalyptic number.

64630245655403 is a deficient number, since it is larger than the sum of its proper divisors (221166384277).

64630245655403 is a wasteful number, since it uses less digits than its factorization.

64630245655403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179664937.

The product of its (nonzero) digits is 31104000, while the sum is 53.

The spelling of 64630245655403 in words is "sixty-four trillion, six hundred thirty billion, two hundred forty-five million, six hundred fifty-five thousand, four hundred three".

Divisors: 1 479 751 359729 179663707 86058915653 134927443957 64630245655403