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38695004077 = 377324432
BaseRepresentation
bin100100000010011001…
…101110011110101101
310200212201110212122011
4210002121232132231
51113221410112302
625435400121221
72536620051652
oct440231563655
9120781425564
1038695004077
1115457359314
1275baa66211
1338588b8622
141c31149c29
15101715b5d7
hex90266e7ad

38695004077 has 18 divisors (see below), whose sum is σ = 40383826602. Its totient is φ = 37049628096.

The previous prime is 38695004009. The next prime is 38695004083. The reversal of 38695004077 is 77040059683.

It is a happy number.

38695004077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 15606505476 + 23088498601 = 124926^2 + 151949^2 .

It is not a de Polignac number, because 38695004077 - 223 = 38686615469 is a prime.

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 38695004077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38695002077) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 87347418 + ... + 87347860.

Almost surely, 238695004077 is an apocalyptic number.

38695004077 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

38695004077 is a deficient number, since it is larger than the sum of its proper divisors (1688822525).

38695004077 is an frugal number, since it uses more digits than its factorization.

38695004077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 38695004077 in words is "thirty-eight billion, six hundred ninety-five million, four thousand, seventy-seven".

Divisors: 1 37 73 443 2701 5329 16391 32339 196249 197173 1196543 2360747 7261213 14326177 87347639 530068549 1045810921 38695004077