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2538042147 = 334112831787
BaseRepresentation
bin1001011101000111…
…0111001100100011
320112212202220022000
42113101313030203
520144214322042
61055503015043
7116616000534
oct22721671443
96485686260
102538042147
1110927276a3
125a9b9a483
13315a8bab4
141a111468b
15ecc4274c
hex97477323

2538042147 has 32 divisors (see below), whose sum is σ = 3856930560. Its totient is φ = 1648549440.

The previous prime is 2538042127. The next prime is 2538042161. The reversal of 2538042147 is 7412408352.

It is a happy number.

It is not a de Polignac number, because 2538042147 - 224 = 2521264931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2538042107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1419388 + ... + 1421174.

It is an arithmetic number, because the mean of its divisors is an integer number (120529080).

Almost surely, 22538042147 is an apocalyptic number.

2538042147 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2538042147 is a deficient number, since it is larger than the sum of its proper divisors (1318888413).

2538042147 is a wasteful number, since it uses less digits than its factorization.

2538042147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120 (or 3114 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 2538042147 is about 50378.9851723911. The cubic root of 2538042147 is about 1364.0583337410.

The spelling of 2538042147 in words is "two billion, five hundred thirty-eight million, forty-two thousand, one hundred forty-seven".

Divisors: 1 3 9 27 41 123 369 1107 1283 1787 3849 5361 11547 16083 34641 48249 52603 73267 157809 219801 473427 659403 1420281 1978209 2292721 6878163 20634489 61903467 94001561 282004683 846014049 2538042147