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38788764377 = 113526251307
BaseRepresentation
bin100100000111111111…
…011001001011011001
310201010020220101120212
4210013333121023121
51113414410430002
625452545500505
72542136025416
oct440777311331
9121106811525
1038788764377
11154a5278870
127626341735
133872155cac
141c3d79510d
1510204cc352
hex907fd92d9

38788764377 has 4 divisors (see below), whose sum is σ = 42315015696. Its totient is φ = 35262513060.

The previous prime is 38788764359. The next prime is 38788764407. The reversal of 38788764377 is 77346788783.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77346788783 = 117031526253.

It is a cyclic number.

It is not a de Polignac number, because 38788764377 - 214 = 38788747993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38788764317) 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, 1763125643 + ... + 1763125664.

It is an arithmetic number, because the mean of its divisors is an integer number (10578753924).

Almost surely, 238788764377 is an apocalyptic number.

It is an amenable number.

38788764377 is a deficient number, since it is larger than the sum of its proper divisors (3526251319).

38788764377 is a wasteful number, since it uses less digits than its factorization.

38788764377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3526251318.

The product of its digits is 265531392, while the sum is 68.

The spelling of 38788764377 in words is "thirty-eight billion, seven hundred eighty-eight million, seven hundred sixty-four thousand, three hundred seventy-seven".

Divisors: 1 11 3526251307 38788764377