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38680015424117 = 491617511275737
BaseRepresentation
bin10001100101101111001001…
…00101000100101001110101
312001221202212210001220202012
420302313210211010221311
520032213132422032432
6214133204225454005
711101352561215364
oct1062674445045165
9161852783056665
1038680015424117
1111363114359271
124408542aa1305
1318776820660c2
1497a1a0b017db
154712515c5cb2
hex232de4944a75

38680015424117 has 8 divisors (see below), whose sum is σ = 38759451504192. Its totient is φ = 38600582020000.

The previous prime is 38680015424087. The next prime is 38680015424161. The reversal of 38680015424117 is 71142451008683.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38680015424117 is a prime.

It is a super-2 number, since 2×386800154241172 (a number of 28 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 (38680015474117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29681873 + ... + 30957609.

It is an arithmetic number, because the mean of its divisors is an integer number (4844931438024).

Almost surely, 238680015424117 is an apocalyptic number.

It is an amenable number.

38680015424117 is a deficient number, since it is larger than the sum of its proper divisors (79436080075).

38680015424117 is a wasteful number, since it uses less digits than its factorization.

38680015424117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337979.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 38680015424117 in words is "thirty-eight trillion, six hundred eighty billion, fifteen million, four hundred twenty-four thousand, one hundred seventeen".

Divisors: 1 491 61751 1275737 30319741 626386867 78778035487 38680015424117