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38082180419 = 139273972521
BaseRepresentation
bin100011011101110111…
…111111010101000011
310122022000100012121122
4203131313333111003
51110443014233134
625254505142455
72515466123033
oct433567772503
9118260305548
1038082180419
1115172441888
12746978aa2b
13378b94cb8a
141bb39c58c3
15ecd45902e
hex8dddff543

38082180419 has 4 divisors (see below), whose sum is σ = 38356153080. Its totient is φ = 37808207760.

The previous prime is 38082180359. The next prime is 38082180457. The reversal of 38082180419 is 91408128083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38082180419 is a prime.

It is a super-2 number, since 2×380821804192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38082180419.

It is not an unprimeable number, because it can be changed into a prime (38082189419) 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 3 ways as a sum of consecutive naturals, for example, 136986122 + ... + 136986399.

It is an arithmetic number, because the mean of its divisors is an integer number (9589038270).

Almost surely, 238082180419 is an apocalyptic number.

38082180419 is a deficient number, since it is larger than the sum of its proper divisors (273972661).

38082180419 is a wasteful number, since it uses less digits than its factorization.

38082180419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273972660.

The product of its (nonzero) digits is 110592, while the sum is 44.

The spelling of 38082180419 in words is "thirty-eight billion, eighty-two million, one hundred eighty thousand, four hundred nineteen".

Divisors: 1 139 273972521 38082180419