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438925831413 = 3296187799421
BaseRepresentation
bin1100110001100100000…
…01001010110011110101
31112221221111101111012120
412120302001022303311
524142410003101123
6533350103510153
743465664002656
oct6306201126365
91487844344176
10438925831413
1115a169209703
1271097458359
133250ccb5694
141735bc3752d
15b63de4d2e3
hex663204acf5

438925831413 has 32 divisors (see below), whose sum is σ = 615475190400. Its totient is φ = 277834233600.

The previous prime is 438925831369. The next prime is 438925831489. The reversal of 438925831413 is 314138529834.

It is not a de Polignac number, because 438925831413 - 26 = 438925831349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438925831913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46585443 + ... + 46594863.

It is an arithmetic number, because the mean of its divisors is an integer number (19233599700).

Almost surely, 2438925831413 is an apocalyptic number.

It is an amenable number.

438925831413 is a deficient number, since it is larger than the sum of its proper divisors (176549358987).

438925831413 is a wasteful number, since it uses less digits than its factorization.

438925831413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18293.

The product of its digits is 2488320, while the sum is 51.

The spelling of 438925831413 in words is "four hundred thirty-eight billion, nine hundred twenty-five million, eight hundred thirty-one thousand, four hundred thirteen".

Divisors: 1 3 29 61 87 183 1769 5307 8779 9421 26337 28263 254591 273209 535519 574681 763773 819627 1606557 1724043 15530051 16665749 46590153 49997247 82706959 248120877 2398501811 5045124499 7195505433 15135373497 146308610471 438925831413