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121323101300 = 22526119889033
BaseRepresentation
bin111000011111101101…
…0111001110001110100
3102121011012211010021022
41300333122321301310
53441432203220200
6131422435040312
711523333226412
oct1607732716164
9377135733238
10121323101300
11474a8800775
121b61aa40098
13b59635024b
145c2cd5c2b2
15325120a885
hex1c3f6b9c74

121323101300 has 36 divisors (see below), whose sum is σ = 267587063436. Its totient is φ = 47733676800.

The previous prime is 121323101267. The next prime is 121323101303. The reversal of 121323101300 is 3101323121.

It can be written as a sum of positive squares in 6 ways, for example, as 1847796196 + 119475305104 = 42986^2 + 345652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121323101303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9938417 + ... + 9950616.

Almost surely, 2121323101300 is an apocalyptic number.

121323101300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121323101300 is an abundant number, since it is smaller than the sum of its proper divisors (146263962136).

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

121323101300 is a wasteful number, since it uses less digits than its factorization.

121323101300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19889108 (or 19889101 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 121323101300 its reverse (3101323121), we get a palindrome (124424424421).

The spelling of 121323101300 in words is "one hundred twenty-one billion, three hundred twenty-three million, one hundred one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 61 100 122 244 305 610 1220 1525 3050 6100 19889033 39778066 79556132 99445165 198890330 397780660 497225825 994451650 1213231013 1988903300 2426462026 4852924052 6066155065 12132310130 24264620260 30330775325 60661550650 121323101300