Search a number
-
+
38312696071 = 1320831414849
BaseRepresentation
bin100011101011100111…
…010101100100000111
310122220002002121122101
4203223213111210013
51111431022233241
625333422012531
72524265354236
oct435347254407
9118802077571
1038312696071
1115280577691
127512a17147
1337c762ca80
141bd646cb1d
15ee37dee31
hex8eb9d5907

38312696071 has 8 divisors (see below), whose sum is σ = 41279663600. Its totient is φ = 35348562432.

The previous prime is 38312696063. The next prime is 38312696077. The reversal of 38312696071 is 17069621383.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38312696071 - 23 = 38312696063 is a prime.

It is a super-3 number, since 3×383126960713 (a number of 33 digits) contains 333 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 (38312696077) 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 7 ways as a sum of consecutive naturals, for example, 680346 + ... + 734503.

It is an arithmetic number, because the mean of its divisors is an integer number (5159957950).

Almost surely, 238312696071 is an apocalyptic number.

38312696071 is a deficient number, since it is larger than the sum of its proper divisors (2966967529).

38312696071 is a wasteful number, since it uses less digits than its factorization.

38312696071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416945.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 38312696071 in words is "thirty-eight billion, three hundred twelve million, six hundred ninety-six thousand, seventy-one".

Divisors: 1 13 2083 27079 1414849 18393037 2947130467 38312696071