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38892316197 = 3737467107183
BaseRepresentation
bin100100001110001010…
…011010011000100101
310201101110202100222110
4210032022122120211
51114122413104242
625511125151233
72544534142650
oct441612323045
9121343670873
1038892316197
1115548775889
127654b5b519
13388a741367
141c4d42c897
15102963439c
hex90e29a625

38892316197 has 32 divisors (see below), whose sum is σ = 60997128192. Its totient is φ = 21577022784.

The previous prime is 38892316193. The next prime is 38892316201. The reversal of 38892316197 is 79161329883.

It is an interprime number because it is at equal distance from previous prime (38892316193) and next prime (38892316201).

It is not a de Polignac number, because 38892316197 - 22 = 38892316193 is a prime.

It is a super-2 number, since 2×388923161972 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38892316193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309268 + ... + 416450.

It is an arithmetic number, because the mean of its divisors is an integer number (1906160256).

Almost surely, 238892316197 is an apocalyptic number.

38892316197 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

38892316197 is a deficient number, since it is larger than the sum of its proper divisors (22104811995).

38892316197 is a wasteful number, since it uses less digits than its factorization.

38892316197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107697.

The product of its digits is 3919104, while the sum is 57.

The spelling of 38892316197 in words is "thirty-eight billion, eight hundred ninety-two million, three hundred sixteen thousand, one hundred ninety-seven".

Divisors: 1 3 7 21 37 111 259 467 777 1401 3269 9807 17279 51837 107183 120953 321549 362859 750281 2250843 3965771 11897313 27760397 50054461 83281191 150163383 350381227 1051143681 1852015057 5556045171 12964105399 38892316197