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538383670381 = 1374127952219
BaseRepresentation
bin1111101010110100010…
…10101101110001101101
31220110122212212012100001
413311122022231301231
532310102204423011
61051155142304301
753616435456034
oct7653212556155
91813585765301
10538383670381
11198366601137
1288413728091
133ba0039a97b
141c0b4c8971b
15e0107927c1
hex7d5a2adc6d

538383670381 has 8 divisors (see below), whose sum is σ = 542445454080. Its totient is φ = 534323799648.

The previous prime is 538383670343. The next prime is 538383670403. The reversal of 538383670381 is 183076383835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 538383670381 - 225 = 538350115949 is a prime.

It is a super-2 number, since 2×5383836703812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538383676381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89290 + ... + 1041508.

It is an arithmetic number, because the mean of its divisors is an integer number (67805681760).

Almost surely, 2538383670381 is an apocalyptic number.

It is an amenable number.

538383670381 is a deficient number, since it is larger than the sum of its proper divisors (4061783699).

538383670381 is a wasteful number, since it uses less digits than its factorization.

538383670381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956483.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 538383670381 in words is "five hundred thirty-eight billion, three hundred eighty-three million, six hundred seventy thousand, three hundred eighty-one".

Divisors: 1 137 4127 565399 952219 130454003 3929807813 538383670381