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10648784997 = 321183198333
BaseRepresentation
bin10011110101011011…
…11001000001100101
31000111010120022211100
421322231321001211
5133302042104442
64520400230313
7524613115254
oct117255710145
930433508740
1010648784997
114574a63864
12209230b399
131009237416
147303a879b
15424d1584c
hex27ab79065

10648784997 has 6 divisors (see below), whose sum is σ = 15381578342. Its totient is φ = 7099189992.

The previous prime is 10648784981. The next prime is 10648784999. The reversal of 10648784997 is 79948784601.

10648784997 is a `hidden beast` number, since 1 + 0 + 64 + 87 + 8 + 499 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10633528161 + 15256836 = 103119^2 + 3906^2 .

It is not a de Polignac number, because 10648784997 - 24 = 10648784981 is a prime.

It is a super-2 number, since 2×106487849972 (a number of 21 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 (10648784999) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 591599158 + ... + 591599175.

Almost surely, 210648784997 is an apocalyptic number.

It is an amenable number.

10648784997 is a deficient number, since it is larger than the sum of its proper divisors (4732793345).

10648784997 is a wasteful number, since it uses less digits than its factorization.

10648784997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183198339 (or 1183198336 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 10648784997 in words is "ten billion, six hundred forty-eight million, seven hundred eighty-four thousand, nine hundred ninety-seven".

Divisors: 1 3 9 1183198333 3549594999 10648784997