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38050661771 = 1915712755837
BaseRepresentation
bin100011011011111111…
…110000010110001011
310122012211000220011022
4203123333300112023
51110411432134041
625251421423055
72514634200653
oct433377602613
9118184026138
1038050661771
1115156674411
12745b10aa8b
1337852658a5
141bad73d363
15eca7d024b
hex8dbff058b

38050661771 has 8 divisors (see below), whose sum is σ = 40308448080. Its totient is φ = 35818387488.

The previous prime is 38050661743. The next prime is 38050661783. The reversal of 38050661771 is 17716605083.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38050661771 is a prime.

It is a super-2 number, since 2×380506617712 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38050661741) 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, 6374936 + ... + 6380901.

It is an arithmetic number, because the mean of its divisors is an integer number (5038556010).

Almost surely, 238050661771 is an apocalyptic number.

38050661771 is a deficient number, since it is larger than the sum of its proper divisors (2257786309).

38050661771 is a wasteful number, since it uses less digits than its factorization.

38050661771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12756013.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 38050661771 in words is "thirty-eight billion, fifty million, six hundred sixty-one thousand, seven hundred seventy-one".

Divisors: 1 19 157 2983 12755837 242360903 2002666409 38050661771