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38199150811 = 177011215801
BaseRepresentation
bin100011100100110110…
…001100100011011011
310122121011102220211101
4203210312030203123
51111212440311221
625314244212231
72521416265423
oct434466144333
9118534386741
1038199150811
1115222474428
1274a099a077
1337a9c55b23
141bc5353483
15ed8861d91
hex8e4d8c8db

38199150811 has 4 divisors (see below), whose sum is σ = 38199543624. Its totient is φ = 38198758000.

The previous prime is 38199150809. The next prime is 38199150823. The reversal of 38199150811 is 11805199183.

38199150811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 11805199183 = 20903564761.

It is a cyclic number.

It is not a de Polignac number, because 38199150811 - 21 = 38199150809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38199159811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69111 + ... + 284911.

It is an arithmetic number, because the mean of its divisors is an integer number (9549885906).

Almost surely, 238199150811 is an apocalyptic number.

38199150811 is a deficient number, since it is larger than the sum of its proper divisors (392813).

38199150811 is a wasteful number, since it uses less digits than its factorization.

38199150811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392812.

The product of its (nonzero) digits is 77760, while the sum is 46.

The spelling of 38199150811 in words is "thirty-eight billion, one hundred ninety-nine million, one hundred fifty thousand, eight hundred eleven".

Divisors: 1 177011 215801 38199150811