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38541984972370 = 25111731676507953
BaseRepresentation
bin10001100001101110000010…
…10100101011111001010010
312001110120121012102110021121
420300313001110223321102
520022432441123103440
6213545535442112454
711055365213561305
oct1060670124537122
9161416535373247
1038541984972370
111130a622802960
1243a584094b72a
131867655548999
14973628cc2b3c
1546c87374e34a
hex230dc152be52

38541984972370 has 64 divisors (see below), whose sum is σ = 80159666881536. Its totient is φ = 13186672660480.

The previous prime is 38541984972299. The next prime is 38541984972371. The reversal of 38541984972370 is 7327948914583.

It is a super-2 number, since 2×385419849723702 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38541984972370.

It is not an unprimeable number, because it can be changed into a prime (38541984972371) 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, 2668314 + ... + 9176266.

It is an arithmetic number, because the mean of its divisors is an integer number (1252494795024).

Almost surely, 238541984972370 is an apocalyptic number.

38541984972370 is an abundant number, since it is smaller than the sum of its proper divisors (41617681909166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38541984972370 is a wasteful number, since it uses less digits than its factorization.

38541984972370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6511155.

The product of its (nonzero) digits is 365783040, while the sum is 70.

The spelling of 38541984972370 in words is "thirty-eight trillion, five hundred forty-one billion, nine hundred eighty-four million, nine hundred seventy-two thousand, three hundred seventy".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 374 935 1870 3167 6334 15835 31670 34837 53839 69674 107678 174185 269195 348370 538390 592229 1184458 2961145 5922290 6507953 13015906 32539765 65079530 71587483 110635201 143174966 221270402 357937415 553176005 715874830 1106352010 1216987211 2433974422 6084936055 12169872110 20610687151 41221374302 103053435755 206106871510 226717558661 350381681567 453435117322 700763363134 1133587793305 1751908407835 2267175586610 3503816815670 3854198497237 7708396994474 19270992486185 38541984972370