Base | Representation |
---|---|
bin | 11000111100100010… |
… | …01111100001111100 |
3 | 1021120100210121022012 |
4 | 30132101033201330 |
5 | 204412020112203 |
6 | 10052540510352 |
7 | 652612253426 |
oct | 143621174174 |
9 | 37510717265 |
10 | 13392738428 |
11 | 5752940673 |
12 | 271924b3b8 |
13 | 135586ccc4 |
14 | 91099d816 |
15 | 535b7dbd8 |
hex | 31e44f87c |
13392738428 has 12 divisors (see below), whose sum is σ = 23439345552. Its totient is φ = 6695782560.
The previous prime is 13392738427. The next prime is 13392738433. The reversal of 13392738428 is 82483729331.
It is a happy number.
It is a super-3 number, since 3×133927384283 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13392738427) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93128 + ... + 188303.
It is an arithmetic number, because the mean of its divisors is an integer number (1953278796).
Almost surely, 213392738428 is an apocalyptic number.
It is an amenable number.
13392738428 is a deficient number, since it is larger than the sum of its proper divisors (10046607124).
13392738428 is a wasteful number, since it uses less digits than its factorization.
13392738428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 293332 (or 293330 counting only the distinct ones).
The product of its digits is 1741824, while the sum is 50.
The spelling of 13392738428 in words is "thirteen billion, three hundred ninety-two million, seven hundred thirty-eight thousand, four hundred twenty-eight".
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