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63140284221 = 372429525743
BaseRepresentation
bin111010110011011101…
…000100011100111101
320000222100120202212020
4322303131010130331
52013302403043341
645001203230353
74363450363200
oct726335043475
9200870522766
1063140284221
1124861054083
12102a16783b9
135c5321b231
1430ad975937
1519982a7566
hexeb374473d

63140284221 has 12 divisors (see below), whose sum is σ = 97931869632. Its totient is φ = 36080162328.

The previous prime is 63140284199. The next prime is 63140284223. The reversal of 63140284221 is 12248204136.

It is not a de Polignac number, because 63140284221 - 219 = 63139759933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63140284223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214762725 + ... + 214763018.

It is an arithmetic number, because the mean of its divisors is an integer number (8160989136).

Almost surely, 263140284221 is an apocalyptic number.

It is an amenable number.

63140284221 is a deficient number, since it is larger than the sum of its proper divisors (34791585411).

63140284221 is a wasteful number, since it uses less digits than its factorization.

63140284221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429525760 (or 429525753 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 63140284221 its reverse (12248204136), we get a palindrome (75388488357).

It can be divided in two parts, 63140 and 284221, that added together give a triangular number (347361 = T833).

The spelling of 63140284221 in words is "sixty-three billion, one hundred forty million, two hundred eighty-four thousand, two hundred twenty-one".

Divisors: 1 3 7 21 49 147 429525743 1288577229 3006680201 9020040603 21046761407 63140284221