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38797206388 = 2212301788497
BaseRepresentation
bin100100001000011111…
…100110001101110100
310201010211210021211221
4210020133212031310
51113424041101023
625453450440124
72542300545613
oct441037461564
9121124707757
1038797206388
11154aa014436
127629133044
133873b20675
141c4095187a
1510210e885d
hex9087e6374

38797206388 has 12 divisors (see below), whose sum is σ = 67900716772. Its totient is φ = 19397001600.

The previous prime is 38797206379. The next prime is 38797206431. The reversal of 38797206388 is 88360279783.

It can be written as a sum of positive squares in 2 ways, for example, as 11634211044 + 27162995344 = 107862^2 + 164812^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345045 + ... + 443452.

Almost surely, 238797206388 is an apocalyptic number.

It is an amenable number.

38797206388 is a deficient number, since it is larger than the sum of its proper divisors (29103510384).

38797206388 is a wasteful number, since it uses less digits than its factorization.

38797206388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800802 (or 800800 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 38797206388 in words is "thirty-eight billion, seven hundred ninety-seven million, two hundred six thousand, three hundred eighty-eight".

Divisors: 1 2 4 12301 24602 49204 788497 1576994 3153988 9699301597 19398603194 38797206388