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38820227303994 = 23347108311721507
BaseRepresentation
bin10001101001110100010011…
…10110111100101000111010
312002110011210101110102001020
420310322021312330220322
520042012311142211434
6214321433301003310
711114445264431313
oct1064721166745072
9162404711412036
1038820227303994
11114076252a9944
12442b7536b3536
1318879687b17b6
14982ca252560a
15474c0abeb849
hex234e89dbca3a

38820227303994 has 32 divisors (see below), whose sum is σ = 77871436563456. Its totient is φ = 12901585706160.

The previous prime is 38820227303981. The next prime is 38820227304073. The reversal of 38820227303994 is 49930372202883.

It is a super-2 number, since 2×388202273039942 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21689389 + ... + 23410895.

It is an arithmetic number, because the mean of its divisors is an integer number (2433482392608).

Almost surely, 238820227303994 is an apocalyptic number.

38820227303994 is an abundant number, since it is smaller than the sum of its proper divisors (39051209259462).

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

38820227303994 is a wasteful number, since it uses less digits than its factorization.

38820227303994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732690.

The product of its (nonzero) digits is 31352832, while the sum is 60.

The spelling of 38820227303994 in words is "thirty-eight trillion, eight hundred twenty billion, two hundred twenty-seven million, three hundred three thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 347 694 1041 2082 10831 21662 32493 64986 1721507 3443014 3758357 5164521 7516714 10329042 11275071 22550142 597362929 1194725858 1792088787 3584177574 18645642317 37291284634 55936926951 111873853902 6470037883999 12940075767998 19410113651997 38820227303994