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63288715421 = 1719119491443
BaseRepresentation
bin111010111100010011…
…010010100010011101
320001100200212212012002
4322330103102202131
52014103402343141
645024024452045
74400232130211
oct727423224235
9201320785162
1063288715421
1124927914698
121032331a025
135c77bbb049
1430c5572941
1519a6326e9b
hexebc4d289d

63288715421 has 8 divisors (see below), whose sum is σ = 67362430464. Its totient is φ = 59253983680.

The previous prime is 63288715397. The next prime is 63288715423. The reversal of 63288715421 is 12451788236.

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 63288715421 - 214 = 63288699037 is a prime.

It is a super-2 number, since 2×632887154212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63288715423) by changing a digit.

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, 9742475 + ... + 9748968.

It is an arithmetic number, because the mean of its divisors is an integer number (8420303808).

Almost surely, 263288715421 is an apocalyptic number.

It is an amenable number.

63288715421 is a deficient number, since it is larger than the sum of its proper divisors (4073715043).

63288715421 is a wasteful number, since it uses less digits than its factorization.

63288715421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19491651.

The product of its digits is 645120, while the sum is 47.

The spelling of 63288715421 in words is "sixty-three billion, two hundred eighty-eight million, seven hundred fifteen thousand, four hundred twenty-one".

Divisors: 1 17 191 3247 19491443 331354531 3722865613 63288715421