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121432401301 = 286142444041
BaseRepresentation
bin111000100010111101…
…1110110010110010101
3102121102211111010200111
41301011323312112111
53442143143320201
6131441341443021
711526131244331
oct1610573662625
9377384433614
10121432401301
1147554474452
121b64b570471
13b5b2b9bac3
145c3d6907c1
15325aaeab51
hex1c45ef6595

121432401301 has 4 divisors (see below), whose sum is σ = 121474848204. Its totient is φ = 121389954400.

The previous prime is 121432401263. The next prime is 121432401313. The reversal of 121432401301 is 103104234121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48017956900 + 73414444401 = 219130^2 + 270951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121432401301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121432401331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21219160 + ... + 21224881.

It is an arithmetic number, because the mean of its divisors is an integer number (30368712051).

Almost surely, 2121432401301 is an apocalyptic number.

It is an amenable number.

121432401301 is a deficient number, since it is larger than the sum of its proper divisors (42446903).

121432401301 is an equidigital number, since it uses as much as digits as its factorization.

121432401301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42446902.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 121432401301 its reverse (103104234121), we get a palindrome (224536635422).

The spelling of 121432401301 in words is "one hundred twenty-one billion, four hundred thirty-two million, four hundred one thousand, three hundred one".

Divisors: 1 2861 42444041 121432401301