Search a number
-
+
10388268847 = 1110156916433
BaseRepresentation
bin10011010110011000…
…00110011100101111
3222210222100201212001
421223030012130233
5132233344100342
64434452353131
7515300554045
oct115314063457
928728321761
1010388268847
1144509a8160
12201b0157a7
13c97282258
14707952395
1540c0058b7
hex26b30672f

10388268847 has 16 divisors (see below), whose sum is σ = 11465673120. Its totient is φ = 9333376000.

The previous prime is 10388268817. The next prime is 10388268853. The reversal of 10388268847 is 74886288301.

It is a cyclic number.

It is not a de Polignac number, because 10388268847 - 27 = 10388268719 is a prime.

It is a super-2 number, since 2×103882688472 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10388268817) 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, 623943 + ... + 640375.

It is an arithmetic number, because the mean of its divisors is an integer number (716604570).

Almost surely, 210388268847 is an apocalyptic number.

10388268847 is a deficient number, since it is larger than the sum of its proper divisors (1077404273).

10388268847 is a wasteful number, since it uses less digits than its factorization.

10388268847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17114.

The product of its (nonzero) digits is 4128768, while the sum is 55.

The spelling of 10388268847 in words is "ten billion, three hundred eighty-eight million, two hundred sixty-eight thousand, eight hundred forty-seven".

Divisors: 1 11 101 569 1111 6259 16433 57469 180763 632159 1659733 9350377 18257063 102854147 944388077 10388268847