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122443125340 = 2258237438829
BaseRepresentation
bin111001000001000101…
…1011101001001011100
3102201001021100020102011
41302002023131021130
54001230420002330
6132125525041004
711563153251544
oct1620213351134
9381037306364
10122443125340
1147a22a52378
121b891b56164
13b7143c2273
145cd79d0324
1532b96e982a
hex1c822dd25c

122443125340 has 24 divisors (see below), whose sum is σ = 257443028640. Its totient is φ = 48917732928.

The previous prime is 122443125283. The next prime is 122443125359. The reversal of 122443125340 is 43521344221.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3702955 + ... + 3735874.

It is an arithmetic number, because the mean of its divisors is an integer number (10726792860).

Almost surely, 2122443125340 is an apocalyptic number.

122443125340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122443125340 is an abundant number, since it is smaller than the sum of its proper divisors (134999903300).

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

122443125340 is a wasteful number, since it uses less digits than its factorization.

122443125340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7439661 (or 7439659 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 122443125340 its reverse (43521344221), we get a palindrome (165964469561).

The spelling of 122443125340 in words is "one hundred twenty-two billion, four hundred forty-three million, one hundred twenty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 823 1646 3292 4115 8230 16460 7438829 14877658 29755316 37194145 74388290 148776580 6122156267 12244312534 24488625068 30610781335 61221562670 122443125340