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121431143400300 = 223252833115226959
BaseRepresentation
bin11011100111000011100100…
…001010101100001101101100
3120220221201000011120111010200
4123213003210022230031230
5111404011440202302200
61110132410330433500
734402052635315506
oct3347034412541554
9526851004514120
10121431143400300
1135767727823058
1211752204292890
13529aba5263a56
1421db4278bcd76
15e08a81999800
hex6e70e42ac36c

121431143400300 has 216 divisors, whose sum is σ = 386443621025280. Its totient is φ = 31888625366400.

The previous prime is 121431143400293. The next prime is 121431143400319. The reversal of 121431143400300 is 3004341134121.

121431143400300 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 3 + 1 + 14 + 340 + 0 + 300 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20618221 + ... + 25845179.

It is an arithmetic number, because the mean of its divisors is an integer number (1789090838080).

Almost surely, 2121431143400300 is an apocalyptic number.

121431143400300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121431143400300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193221810512640).

121431143400300 is an abundant number, since it is smaller than the sum of its proper divisors (265012477624980).

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

121431143400300 is a wasteful number, since it uses less digits than its factorization.

121431143400300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5227373 (or 5227363 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 121431143400300 its reverse (3004341134121), we get a palindrome (124435484534421).

The spelling of 121431143400300 in words is "one hundred twenty-one trillion, four hundred thirty-one billion, one hundred forty-three million, four hundred thousand, three hundred".