Base | Representation |
---|---|
bin | 11001000001000110… |
… | …10111010101111110 |
3 | 1021200000212200220212 |
4 | 30200203113111332 |
5 | 210001321342304 |
6 | 10100425512422 |
7 | 653555662043 |
oct | 144043272576 |
9 | 37600780825 |
10 | 13431043454 |
11 | 5772523814 |
12 | 272a042712 |
13 | 13607921ba |
14 | 915ad11ca |
15 | 5391e866e |
hex | 3208d757e |
13431043454 has 16 divisors (see below), whose sum is σ = 20580708096. Its totient is φ = 6570883800.
The previous prime is 13431043429. The next prime is 13431043487. The reversal of 13431043454 is 45434013431.
It is a self number, because there is not a number n which added to its sum of digits gives 13431043454.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378869 + ... + 412799.
It is an arithmetic number, because the mean of its divisors is an integer number (1286294256).
Almost surely, 213431043454 is an apocalyptic number.
13431043454 is a deficient number, since it is larger than the sum of its proper divisors (7149664642).
13431043454 is a wasteful number, since it uses less digits than its factorization.
13431043454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38191.
The product of its (nonzero) digits is 34560, while the sum is 32.
Adding to 13431043454 its reverse (45434013431), we get a palindrome (58865056885).
The spelling of 13431043454 in words is "thirteen billion, four hundred thirty-one million, forty-three thousand, four hundred fifty-four".
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