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38369415053 = 230591663967
BaseRepresentation
bin100011101110111111…
…101100111110001101
310200001000211020110102
4203232333230332031
51112040032240203
625343205420445
72525554434554
oct435677547615
9120030736412
1038369415053
11152aa597482
127529a0a725
1338062cb4b8
141bddbd4d9b
15ee8795888
hex8eefecf8d

38369415053 has 4 divisors (see below), whose sum is σ = 38371102080. Its totient is φ = 38367728028.

The previous prime is 38369415037. The next prime is 38369415061. The reversal of 38369415053 is 35051496383.

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: 35051496383 = 37313939391.

It is a cyclic number.

It is not a de Polignac number, because 38369415053 - 24 = 38369415037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38369414989 and 38369415007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38369415353) 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, 808925 + ... + 855042.

It is an arithmetic number, because the mean of its divisors is an integer number (9592775520).

Almost surely, 238369415053 is an apocalyptic number.

It is an amenable number.

38369415053 is a deficient number, since it is larger than the sum of its proper divisors (1687027).

38369415053 is a wasteful number, since it uses less digits than its factorization.

38369415053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687026.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 38369415053 in words is "thirty-eight billion, three hundred sixty-nine million, four hundred fifteen thousand, fifty-three".

Divisors: 1 23059 1663967 38369415053