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122020173044 = 22711396169393
BaseRepresentation
bin111000110100011111…
…0000001010011110100
3102122221210111000221022
41301220332001103310
53444344131014134
6132015535440312
711546526233510
oct1615076012364
9378853430838
10122020173044
1147826230020
121b794386098
13b6778a5833
145c97773140
15329250052e
hex1c68f814f4

122020173044 has 24 divisors (see below), whose sum is σ = 266225832768. Its totient is φ = 47540327040.

The previous prime is 122020173013. The next prime is 122020173139. The reversal of 122020173044 is 440371020221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198084389 + ... + 198085004.

It is an arithmetic number, because the mean of its divisors is an integer number (11092743032).

Almost surely, 2122020173044 is an apocalyptic number.

122020173044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

122020173044 is an abundant number, since it is smaller than the sum of its proper divisors (144205659724).

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

122020173044 is a wasteful number, since it uses less digits than its factorization.

122020173044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396169415 (or 396169413 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 122020173044 its reverse (440371020221), we get a palindrome (562391193265).

The spelling of 122020173044 in words is "one hundred twenty-two billion, twenty million, one hundred seventy-three thousand, forty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 396169393 792338786 1584677572 2773185751 4357863323 5546371502 8715726646 11092743004 17431453292 30505043261 61010086522 122020173044