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38413887105 = 3511376292201
BaseRepresentation
bin100011110001101001…
…010110011010000001
310200011010111122122110
4203301221112122001
51112132423341410
625351434525533
72526634436646
oct436151263201
9120133448573
1038413887105
1115322701a40
1275408968a9
13381259c719
141c05a8ddcd
15eec62c720
hex8f1a56681

38413887105 has 32 divisors (see below), whose sum is σ = 68861858688. Its totient is φ = 18121536000.

The previous prime is 38413887103. The next prime is 38413887121. The reversal of 38413887105 is 50178831483.

It is a happy number.

It is not a de Polignac number, because 38413887105 - 21 = 38413887103 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38413887103) 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, 3139996 + ... + 3152205.

It is an arithmetic number, because the mean of its divisors is an integer number (2151933084).

Almost surely, 238413887105 is an apocalyptic number.

It is an amenable number.

38413887105 is a deficient number, since it is larger than the sum of its proper divisors (30447971583).

38413887105 is a wasteful number, since it uses less digits than its factorization.

38413887105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6292257.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 38413887105 in words is "thirty-eight billion, four hundred thirteen million, eight hundred eighty-seven thousand, one hundred five".

Divisors: 1 3 5 11 15 33 37 55 111 165 185 407 555 1221 2035 6105 6292201 18876603 31461005 69214211 94383015 207642633 232811437 346071055 698434311 1038213165 1164057185 2560925807 3492171555 7682777421 12804629035 38413887105