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38969972325 = 32521938323801
BaseRepresentation
bin100100010010110010…
…101001011001100101
310201120212212201011100
4210102302221121211
51114302303103300
625522541430313
72546466204444
oct442262513145
9121525781140
1038969972325
1115588595aa9
127676b6b399
1338a086092b
141c59884d5b
151031373700
hex912ca9665

38969972325 has 72 divisors (see below), whose sum is σ = 73668142080. Its totient is φ = 19637856000.

The previous prime is 38969972291. The next prime is 38969972347. The reversal of 38969972325 is 52327996983.

It is not a de Polignac number, because 38969972325 - 212 = 38969968229 is a prime.

It is a super-2 number, since 2×389699723252 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1625425 + ... + 1649225.

It is an arithmetic number, because the mean of its divisors is an integer number (1023168640).

Almost surely, 238969972325 is an apocalyptic number.

It is an amenable number.

38969972325 is a deficient number, since it is larger than the sum of its proper divisors (34698169755).

38969972325 is a wasteful number, since it uses less digits than its factorization.

38969972325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24219 (or 24211 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 63.

The spelling of 38969972325 in words is "thirty-eight billion, nine hundred sixty-nine million, nine hundred seventy-two thousand, three hundred twenty-five".

Divisors: 1 3 5 9 15 19 25 45 57 75 95 171 225 285 383 475 855 1149 1425 1915 3447 4275 5745 7277 9575 17235 21831 23801 28725 36385 65493 71403 86175 109155 119005 181925 214209 327465 357015 452219 545775 595025 1071045 1356657 1637325 1785075 2261095 4069971 5355225 6783285 9115783 11305475 20349855 27347349 33916425 45578915 82042047 101749275 136736745 173199877 227894575 410210235 519599631 683683725 865999385 1558798893 2051051175 2597998155 4329996925 7793994465 12989990775 38969972325