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538121241632 = 25131518566627
BaseRepresentation
bin1111101010010101000…
…01101000010000100000
31220102222121001102202202
413311022201220100200
532304033014213012
61051113125432332
753610101040452
oct7651241502040
91812877042682
10538121241632
11198241459577
128835b86b6a8
133b98abc60a0
141c08c0962d2
15dee7705cc2
hex7d4a868420

538121241632 has 48 divisors (see below), whose sum is σ = 1148476416192. Its totient is φ = 246718828800.

The previous prime is 538121241631. The next prime is 538121241643. The reversal of 538121241632 is 236142121835.

It is not an unprimeable number, because it can be changed into a prime (538121241631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4220498 + ... + 4346129.

It is an arithmetic number, because the mean of its divisors is an integer number (23926592004).

Almost surely, 2538121241632 is an apocalyptic number.

538121241632 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

538121241632 is an abundant number, since it is smaller than the sum of its proper divisors (610355174560).

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

538121241632 is a wasteful number, since it uses less digits than its factorization.

538121241632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8566801 (or 8566793 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The spelling of 538121241632 in words is "five hundred thirty-eight billion, one hundred twenty-one million, two hundred forty-one thousand, six hundred thirty-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 151 208 302 416 604 1208 1963 2416 3926 4832 7852 15704 31408 62816 8566627 17133254 34266508 68533016 111366151 137066032 222732302 274132064 445464604 890929208 1293560677 1781858416 2587121354 3563716832 5174242708 10348485416 16816288801 20696970832 33632577602 41393941664 67265155204 134530310408 269060620816 538121241632