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38806313555638 = 2170911353514791
BaseRepresentation
bin10001101001011010011001…
…00010001101011010110110
312002101211212201021202111001
420310231030202031122312
520041300312232240023
6214311212505033514
711113443424504306
oct1064551442153266
9162354781252431
1038806313555638
1111401735361862
124428b0ba8589a
13188655c0116c5
149823426a1606
154746944546ad
hex234b4c88d6b6

38806313555638 has 8 divisors (see below), whose sum is σ = 58243530882960. Its totient is φ = 19391803261320.

The previous prime is 38806313555627. The next prime is 38806313555687. The reversal of 38806313555638 is 83655531360883.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 38806313555638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5676753978 + ... + 5676760813.

It is an arithmetic number, because the mean of its divisors is an integer number (7280441360370).

Almost surely, 238806313555638 is an apocalyptic number.

38806313555638 is a deficient number, since it is larger than the sum of its proper divisors (19437217327322).

38806313555638 is a wasteful number, since it uses less digits than its factorization.

38806313555638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11353516502.

The product of its (nonzero) digits is 186624000, while the sum is 64.

The spelling of 38806313555638 in words is "thirty-eight trillion, eight hundred six billion, three hundred thirteen million, five hundred fifty-five thousand, six hundred thirty-eight".

Divisors: 1 2 1709 3418 11353514791 22707029582 19403156777819 38806313555638