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38930138801630 = 2519739277260443
BaseRepresentation
bin10001101101000001000010…
…00110000010010111011110
312002211200111022022222222222
420312200201012002113132
520100312411013123010
6214444131525505342
711125416062644346
oct1066404106022736
9162750438288888
1038930138801630
111144a1a74a08aa
124448b08872252
13189513386232b
1498832ba6bd26
154779e0161355
hex2368211825de

38930138801630 has 32 divisors (see below), whose sum is σ = 73862182281600. Its totient is φ = 14732510846112.

The previous prime is 38930138801557. The next prime is 38930138801633. The reversal of 38930138801630 is 3610883103983.

It is a super-2 number, since 2×389301388016302 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38930138801633) 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 15 ways as a sum of consecutive naturals, for example, 138489812 + ... + 138770631.

It is an arithmetic number, because the mean of its divisors is an integer number (2308193196300).

Almost surely, 238930138801630 is an apocalyptic number.

38930138801630 is a deficient number, since it is larger than the sum of its proper divisors (34932043479970).

38930138801630 is a wasteful number, since it uses less digits than its factorization.

38930138801630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277261208.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 38930138801630 in words is "thirty-eight trillion, nine hundred thirty billion, one hundred thirty-eight million, eight hundred one thousand, six hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 739 1478 3695 7390 14041 28082 70205 140410 277260443 554520886 1386302215 2772604430 5267948417 10535896834 26339742085 52679484170 204895467377 409790934754 1024477336885 2048954673770 3893013880163 7786027760326 19465069400815 38930138801630