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63850989149 = 2315131183473
BaseRepresentation
bin111011011101110100…
…001100011001011101
320002210212220022201222
4323131310030121131
52021231323123044
645155512143125
74420200311213
oct733564143135
9202725808658
1063850989149
1125096245222
121045b697aa5
136037537cac
14313a0d8cb3
1519da8918ee
hexeddd0c65d

63850989149 has 8 divisors (see below), whose sum is σ = 66631885632. Its totient is φ = 61070489920.

The previous prime is 63850989127. The next prime is 63850989157. The reversal of 63850989149 is 94198905836.

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 63850989149 - 224 = 63834211933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63850989091 and 63850989100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63850989109) 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, 256277 + ... + 439749.

It is an arithmetic number, because the mean of its divisors is an integer number (8328985704).

Almost surely, 263850989149 is an apocalyptic number.

It is an amenable number.

63850989149 is a deficient number, since it is larger than the sum of its proper divisors (2780896483).

63850989149 is a wasteful number, since it uses less digits than its factorization.

63850989149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198627.

The product of its (nonzero) digits is 16796160, while the sum is 62.

The spelling of 63850989149 in words is "sixty-three billion, eight hundred fifty million, nine hundred eighty-nine thousand, one hundred forty-nine".

Divisors: 1 23 15131 183473 348013 4219879 2776129963 63850989149