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10386999447 = 3111607319583
BaseRepresentation
bin10011010110001110…
…10000100010010111
3222210212222020120020
421223013100202113
5132233032440242
64434405240223
7515254016136
oct115307204227
928725866506
1010386999447
114450210470
12201a703073
13c96c29526
1470770191d
1540bd546ec
hex26b1d0897

10386999447 has 16 divisors (see below), whose sum is σ = 15110074368. Its totient is φ = 6294438080.

The previous prime is 10386999391. The next prime is 10386999499. The reversal of 10386999447 is 74499968301.

It is a cyclic number.

It is not a de Polignac number, because 10386999447 - 27 = 10386999319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10386999647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520618 + ... + 540200.

It is an arithmetic number, because the mean of its divisors is an integer number (944379648).

Almost surely, 210386999447 is an apocalyptic number.

10386999447 is a deficient number, since it is larger than the sum of its proper divisors (4723074921).

10386999447 is a wasteful number, since it uses less digits than its factorization.

10386999447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35670.

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 10386999447 in words is "ten billion, three hundred eighty-six million, nine hundred ninety-nine thousand, four hundred forty-seven".

Divisors: 1 3 11 33 16073 19583 48219 58749 176803 215413 530409 646239 314757559 944272677 3462333149 10386999447