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38049162197 = 108313512987
BaseRepresentation
bin100011011011111010…
…000010001111010101
310122012201012201010112
4203123322002033111
51110411041142242
625251325332405
72514615354014
oct433372021725
9118181181115
1038049162197
111515583a7a2
12745a707105
133784b5c177
141bad46ca7b
15eca5d5c82
hex8dbe823d5

38049162197 has 4 divisors (see below), whose sum is σ = 38052686016. Its totient is φ = 38045638380.

The previous prime is 38049162167. The next prime is 38049162241. The reversal of 38049162197 is 79126194083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38049162197 - 26 = 38049162133 is a prime.

It is a super-2 number, since 2×380491621972 (a number of 22 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 (38049162167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745663 + ... + 1767324.

It is an arithmetic number, because the mean of its divisors is an integer number (9513171504).

Almost surely, 238049162197 is an apocalyptic number.

It is an amenable number.

38049162197 is a deficient number, since it is larger than the sum of its proper divisors (3523819).

38049162197 is a wasteful number, since it uses less digits than its factorization.

38049162197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523818.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 38049162197 in words is "thirty-eight billion, forty-nine million, one hundred sixty-two thousand, one hundred ninety-seven".

Divisors: 1 10831 3512987 38049162197