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38203625438 = 2112237787123
BaseRepresentation
bin100011100101000111…
…010000111111011110
310122121110212020212022
4203211013100333132
51111220112003223
625314524140142
72521502313116
oct434507207736
9118543766768
1038203625438
1115224a50270
1274a2397652
1337aab61734
141bc5b9a046
15ed8e47ac8
hex8e51d0fde

38203625438 has 16 divisors (see below), whose sum is σ = 62795367936. Its totient is φ = 17287410840.

The previous prime is 38203625399. The next prime is 38203625461. The reversal of 38203625438 is 83452630283.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3888656 + ... + 3898467.

It is an arithmetic number, because the mean of its divisors is an integer number (3924710496).

Almost surely, 238203625438 is an apocalyptic number.

38203625438 is a deficient number, since it is larger than the sum of its proper divisors (24591742498).

38203625438 is a wasteful number, since it uses less digits than its factorization.

38203625438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7787359.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 38203625438 in words is "thirty-eight billion, two hundred three million, six hundred twenty-five thousand, four hundred thirty-eight".

Divisors: 1 2 11 22 223 446 2453 4906 7787123 15574246 85658353 171316706 1736528429 3473056858 19101812719 38203625438