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5198538231 = 332953125269
BaseRepresentation
bin1001101011101101…
…10110010111110111
3111102021222002211000
410311312312113313
541121311210411
62215502414343
7242552563065
oct46566662767
914367862730
105198538231
112228491797
121010b913b3
1364b023733
143745c3035
152065c2956
hex135db65f7

5198538231 has 32 divisors (see below), whose sum is σ = 8117496000. Its totient is φ = 3283023744.

The previous prime is 5198538217. The next prime is 5198538287. The reversal of 5198538231 is 1328358915.

5198538231 is a `hidden beast` number, since 5 + 1 + 98 + 538 + 23 + 1 = 666.

5198538231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5198538231 - 29 = 5198537719 is a prime.

It is a super-2 number, since 2×51985382312 = 54049599478337218722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5198538931) 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, 21136 + ... + 104133.

It is an arithmetic number, because the mean of its divisors is an integer number (253671750).

Almost surely, 25198538231 is an apocalyptic number.

5198538231 is a deficient number, since it is larger than the sum of its proper divisors (2918957769).

5198538231 is a wasteful number, since it uses less digits than its factorization.

5198538231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125360 (or 125354 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 5198538231 is about 72100.8892524912. The cubic root of 5198538231 is about 1732.3158568177.

The spelling of 5198538231 in words is "five billion, one hundred ninety-eight million, five hundred thirty-eight thousand, two hundred thirty-one".

Divisors: 1 3 9 27 29 53 87 159 261 477 783 1431 1537 4611 13833 41499 125269 375807 1127421 3382263 3632801 6639257 10898403 19917771 32695209 59753313 98085627 179259939 192538453 577615359 1732846077 5198538231