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122123000320 = 29547704297
BaseRepresentation
bin111000110111100011…
…0010001101000000000
3102200012221222012102221
41301233012101220000
54000101442002240
6132034051420424
711552215242466
oct1615706215000
9380187865387
10122123000320
1147879282742
121b8028b4714
13b692c99189
145ca729c836
15329b562a4a
hex1c6f191a00

122123000320 has 40 divisors (see below), whose sum is σ = 292808981124. Its totient is φ = 48849199104.

The previous prime is 122123000297. The next prime is 122123000333. The reversal of 122123000320 is 23000321221.

It can be written as a sum of positive squares in 2 ways, for example, as 122119495936 + 3504384 = 349456^2 + 1872^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 122123000294 and 122123000303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23849589 + ... + 23854708.

Almost surely, 2122123000320 is an apocalyptic number.

122123000320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122123000320 is an abundant number, since it is smaller than the sum of its proper divisors (170685980804).

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

122123000320 is an frugal number, since it uses more digits than its factorization.

122123000320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47704320 (or 47704304 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 122123000320 its reverse (23000321221), we get a palindrome (145123321541).

The spelling of 122123000320 in words is "one hundred twenty-two billion, one hundred twenty-three million, three hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1280 2560 47704297 95408594 190817188 238521485 381634376 477042970 763268752 954085940 1526537504 1908171880 3053075008 3816343760 6106150016 7632687520 12212300032 15265375040 24424600064 30530750080 61061500160 122123000320