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38073808231 = 297511748189
BaseRepresentation
bin100011011101011000…
…000011010101100111
310122021102120212010121
4203131120003111213
51110433343330411
625254005502411
72515335013234
oct433530032547
9118242525117
1038073808231
1115168743718
127466a11a07
133789cab214
141bb284678b
15ecc853571
hex8dd603567

38073808231 has 8 divisors (see below), whose sum is σ = 39439166400. Its totient is φ = 36711948000.

The previous prime is 38073808219. The next prime is 38073808261. The reversal of 38073808231 is 13280837083.

38073808231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 38073808231 - 29 = 38073807719 is a prime.

It is a super-2 number, since 2×380738082312 (a number of 22 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 (38073808261) 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, 852316 + ... + 895873.

It is an arithmetic number, because the mean of its divisors is an integer number (4929895800).

Almost surely, 238073808231 is an apocalyptic number.

38073808231 is a deficient number, since it is larger than the sum of its proper divisors (1365358169).

38073808231 is a wasteful number, since it uses less digits than its factorization.

38073808231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748969.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 38073808231 in words is "thirty-eight billion, seventy-three million, eight hundred eight thousand, two hundred thirty-one".

Divisors: 1 29 751 21779 1748189 50697481 1312889939 38073808231