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122381997130 = 2535334919931
BaseRepresentation
bin111000111111010001…
…0010001010001001010
3102200220000022121021101
41301332202101101022
54001114242402010
6132115502532014
711561511545311
oct1617642212112
9380800277241
10122381997130
11479a14a0898
121b87559700a
13b70483b923
145ccd83b278
1532b417273a
hex1c7e89144a

122381997130 has 32 divisors (see below), whose sum is σ = 220997170368. Its totient is φ = 48795225600.

The previous prime is 122381997109. The next prime is 122381997161. The reversal of 122381997130 is 31799183221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12318265 + ... + 12328195.

It is an arithmetic number, because the mean of its divisors is an integer number (6906161574).

Almost surely, 2122381997130 is an apocalyptic number.

122381997130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122381997130 is a deficient number, since it is larger than the sum of its proper divisors (98615173238).

122381997130 is a wasteful number, since it uses less digits than its factorization.

122381997130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13782.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 122381997130 in words is "one hundred twenty-two billion, three hundred eighty-one million, nine hundred ninety-seven thousand, one hundred thirty".

Divisors: 1 2 5 10 353 706 1765 3491 3530 6982 9931 17455 19862 34910 49655 99310 1232323 2464646 3505643 6161615 7011286 12323230 17528215 34669121 35056430 69338242 173345605 346691210 12238199713 24476399426 61190998565 122381997130