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122805883140 = 22352347872077
BaseRepresentation
bin111001001011111001…
…1010001000100000100
3102201222112221020120020
41302113303101010010
54003001301230030
6132225524135140
711605146532503
oct1622763210404
9381875836506
10122805883140
11480997a0706
121b9735374b0
13b7715c4355
145d2dc5c83a
1532db4a3510
hex1c97cd1104

122805883140 has 48 divisors (see below), whose sum is σ = 344003376192. Its totient is φ = 32734244736.

The previous prime is 122805883121. The next prime is 122805883141. The reversal of 122805883140 is 41388508221.

It is a junction number, because it is equal to n+sod(n) for n = 122805883092 and 122805883101.

It is not an unprimeable number, because it can be changed into a prime (122805883141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295219 + ... + 576858.

It is an arithmetic number, because the mean of its divisors is an integer number (7166737004).

Almost surely, 2122805883140 is an apocalyptic number.

122805883140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122805883140 is an abundant number, since it is smaller than the sum of its proper divisors (221197493052).

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

122805883140 is a wasteful number, since it uses less digits than its factorization.

122805883140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874436 (or 874434 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The spelling of 122805883140 in words is "one hundred twenty-two billion, eight hundred five million, eight hundred eighty-three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2347 4694 7041 9388 11735 14082 23470 28164 35205 46940 70410 140820 872077 1744154 2616231 3488308 4360385 5232462 8720770 10464924 13081155 17441540 26162310 52324620 2046764719 4093529438 6140294157 8187058876 10233823595 12280588314 20467647190 24561176628 30701470785 40935294380 61402941570 122805883140