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63247079272 = 23132920970517
BaseRepresentation
bin111010111001110100…
…011101011101101000
320001020210112112010111
4322321310131131220
52014012223014042
645015540224104
74366215206056
oct727164353550
9201223475114
1063247079272
1124906366853
121031139b034
135c6c3a0880
1430bdc151d6
1519a2850517
hexeb9d1d768

63247079272 has 32 divisors (see below), whose sum is σ = 132114263400. Its totient is φ = 28184373504.

The previous prime is 63247079267. The next prime is 63247079279. The reversal of 63247079272 is 27297074236.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32297121796 + 30949957476 = 179714^2 + 175926^2 .

It is not an unprimeable number, because it can be changed into a prime (63247079279) 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, 10482243 + ... + 10488274.

Almost surely, 263247079272 is an apocalyptic number.

It is an amenable number.

63247079272 is an abundant number, since it is smaller than the sum of its proper divisors (68867184128).

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

63247079272 is a wasteful number, since it uses less digits than its factorization.

63247079272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20970565 (or 20970561 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 49.

The spelling of 63247079272 in words is "sixty-three billion, two hundred forty-seven million, seventy-nine thousand, two hundred seventy-two".

Divisors: 1 2 4 8 13 26 29 52 58 104 116 232 377 754 1508 3016 20970517 41941034 83882068 167764136 272616721 545233442 608144993 1090466884 1216289986 2180933768 2432579972 4865159944 7905884909 15811769818 31623539636 63247079272