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63864896948 = 22173312837431
BaseRepresentation
bin111011011110101001…
…001111110110110100
320002211212001220122122
4323132221033312310
52021243403200243
645201130215112
74420426444556
oct733651176664
9202755056578
1063864896948
11250a3084376
1210464284498
13603a397468
14313bcb94d6
1519dbbdc668
hexedea4fdb4

63864896948 has 24 divisors (see below), whose sum is σ = 118695455424. Its totient is φ = 29963260800.

The previous prime is 63864896941. The next prime is 63864896987. The reversal of 63864896948 is 84969846836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63864896941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1396208 + ... + 1441223.

It is an arithmetic number, because the mean of its divisors is an integer number (4945643976).

Almost surely, 263864896948 is an apocalyptic number.

63864896948 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

63864896948 is a deficient number, since it is larger than the sum of its proper divisors (54830558476).

63864896948 is a wasteful number, since it uses less digits than its factorization.

63864896948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837783 (or 2837781 counting only the distinct ones).

The product of its digits is 429981696, while the sum is 71.

The spelling of 63864896948 in words is "sixty-three billion, eight hundred sixty-four million, eight hundred ninety-six thousand, nine hundred forty-eight".

Divisors: 1 2 4 17 34 68 331 662 1324 5627 11254 22508 2837431 5674862 11349724 48236327 96472654 192945308 939189661 1878379322 3756758644 15966224237 31932448474 63864896948