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13438837046 = 229502146147
BaseRepresentation
bin11001000010000010…
…00110000100110110
31021200120112122201102
430201001012010312
5210010320241141
610101304530102
7654012141635
oct144101060466
937616478642
1013438837046
1157769671a8
122730780932
1313622906ab
14916b5d51c
15539c3799b
hex321046136

13438837046 has 16 divisors (see below), whose sum is σ = 20857973040. Its totient is φ = 6486281760.

The previous prime is 13438837021. The next prime is 13438837099. The reversal of 13438837046 is 64073883431.

It is a super-2 number, since 2×134388370462 (a number of 21 digits) contains 22 as substring.

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, 268145 + ... + 314291.

It is an arithmetic number, because the mean of its divisors is an integer number (1303623315).

Almost surely, 213438837046 is an apocalyptic number.

13438837046 is a deficient number, since it is larger than the sum of its proper divisors (7419135994).

13438837046 is a wasteful number, since it uses less digits than its factorization.

13438837046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51199.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 13438837046 in words is "thirteen billion, four hundred thirty-eight million, eight hundred thirty-seven thousand, forty-six".

Divisors: 1 2 29 58 5021 10042 46147 92294 145609 291218 1338263 2676526 231704087 463408174 6719418523 13438837046