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38335955805 = 385733407
BaseRepresentation
bin100011101101000000…
…000100001101011101
310122221200212100000000
4203231000010031131
51112003001041210
625340012324513
72525000151000
oct435500041535
9118850770000
1038335955805
1115292714004
12751a773739
1337cc3b4b24
141bd95a5537
15ee5886ac0
hex8ed00435d

38335955805 has 144 divisors (see below), whose sum is σ = 80491507200. Its totient is φ = 17519864544.

The previous prime is 38335955803. The next prime is 38335955849. The reversal of 38335955805 is 50855953383.

38335955805 is a `hidden beast` number, since 3 + 8 + 3 + 3 + 59 + 5 + 580 + 5 = 666.

It is not a de Polignac number, because 38335955805 - 21 = 38335955803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38335955803) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11250412 + ... + 11253818.

It is an arithmetic number, because the mean of its divisors is an integer number (558968800).

Almost surely, 238335955805 is an apocalyptic number.

38335955805 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38335955805 is an abundant number, since it is smaller than the sum of its proper divisors (42155551395).

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

38335955805 is an frugal number, since it uses more digits than its factorization.

38335955805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457 (or 3422 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 54.

The spelling of 38335955805 in words is "thirty-eight billion, three hundred thirty-five million, nine hundred fifty-five thousand, eight hundred five".

Divisors: 1 3 5 7 9 15 21 27 35 45 49 63 81 105 135 147 189 243 245 315 343 405 441 567 729 735 945 1029 1215 1323 1701 1715 2187 2205 2835 3087 3407 3645 3969 5103 5145 6561 6615 8505 9261 10221 10935 11907 15309 15435 17035 19845 23849 25515 27783 30663 32805 35721 45927 46305 51105 59535 71547 76545 83349 91989 107163 119245 138915 153315 166943 178605 214641 229635 250047 275967 321489 357735 416745 459945 500829 535815 643923 750141 827901 834715 1073205 1168601 1250235 1379835 1502487 1607445 1931769 2250423 2483703 2504145 3219615 3505803 3750705 4139505 4507461 5795307 5843005 7451109 7512435 9658845 10517409 11252115 12418515 13522383 17385921 17529015 22353327 22537305 28976535 31552227 37255545 40567149 52157763 52587045 67611915 86929605 94656681 111766635 121701447 156473289 157761135 202835745 260788815 283970043 365104341 473283405 608507235 782366445 851910129 1095313023 1419850215 1825521705 2555730387 4259550645 5476565115 7667191161 12778651935 38335955805