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13414443440 = 245463362161
BaseRepresentation
bin11000111111001000…
…00010100110110000
31021121212122022222112
430133210002212300
5204433044142230
610055034024452
7653264613356
oct143744024660
937555568875
1013414443440
1157641159a2
122724578128
13135a1cc4c8
1491380d7d6
15537a19d95
hex31f9029b0

13414443440 has 40 divisors (see below), whose sum is σ = 31256029248. Its totient is φ = 5354173440.

The previous prime is 13414443409. The next prime is 13414443461. The reversal of 13414443440 is 4434441431.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 13414443397 and 13414443406.

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, 144041 + ... + 218120.

Almost surely, 213414443440 is an apocalyptic number.

13414443440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13414443440 is an abundant number, since it is smaller than the sum of its proper divisors (17841585808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13414443440 is a wasteful number, since it uses less digits than its factorization.

13414443440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362637 (or 362631 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 13414443440 its reverse (4434441431), we get a palindrome (17848884871).

The spelling of 13414443440 in words is "thirteen billion, four hundred fourteen million, four hundred forty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 463 926 1852 2315 3704 4630 7408 9260 18520 37040 362161 724322 1448644 1810805 2897288 3621610 5794576 7243220 14486440 28972880 167680543 335361086 670722172 838402715 1341444344 1676805430 2682888688 3353610860 6707221720 13414443440