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121401301422 = 2327174662547
BaseRepresentation
bin111000100010000010…
…1001101100110101110
3102121100122222002200010
41301010011031212232
53442112213121142
6131434311114050
711525303015202
oct1610405154656
9377318862603
10121401301422
1147538962675
121b641072926
13b5a96002cb
145c394b6b02
153258005e9c
hex1c4414d9ae

121401301422 has 16 divisors (see below), whose sum is σ = 243698556672. Its totient is φ = 40317774840.

The previous prime is 121401301369. The next prime is 121401301423. The reversal of 121401301422 is 224103104121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121401301423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37329648 + ... + 37332899.

It is an arithmetic number, because the mean of its divisors is an integer number (15231159792).

Almost surely, 2121401301422 is an apocalyptic number.

121401301422 is an abundant number, since it is smaller than the sum of its proper divisors (122297255250).

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

121401301422 is a wasteful number, since it uses less digits than its factorization.

121401301422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74662823.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 121401301422 its reverse (224103104121), we get a palindrome (345504405543).

The spelling of 121401301422 in words is "one hundred twenty-one billion, four hundred one million, three hundred one thousand, four hundred twenty-two".

Divisors: 1 2 3 6 271 542 813 1626 74662547 149325094 223987641 447975282 20233550237 40467100474 60700650711 121401301422