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121121114045 = 556894258081
BaseRepresentation
bin111000011001101100…
…0011000011110111101
3102120122010202002211212
41300303120120132331
53441024001122140
6131350421454205
711515331324321
oct1606330303675
9376563662755
10121121114045
1147404790758
121b583271365
13b56354b569
145c101bd981
15323d60c765
hex1c336187bd

121121114045 has 8 divisors (see below), whose sum is σ = 145370919480. Its totient is φ = 96879836160.

The previous prime is 121121114017. The next prime is 121121114047. The reversal of 121121114045 is 540411121121.

It can be written as a sum of positive squares in 4 ways, for example, as 26824215961 + 94296898084 = 163781^2 + 307078^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121121114045 - 216 = 121121048509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121121114045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121121114047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2100596 + ... + 2157485.

It is an arithmetic number, because the mean of its divisors is an integer number (18171364935).

Almost surely, 2121121114045 is an apocalyptic number.

It is an amenable number.

121121114045 is a deficient number, since it is larger than the sum of its proper divisors (24249805435).

121121114045 is an equidigital number, since it uses as much as digits as its factorization.

121121114045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263775.

The product of its (nonzero) digits is 320, while the sum is 23.

Adding to 121121114045 its reverse (540411121121), we get a palindrome (661532235166).

The spelling of 121121114045 in words is "one hundred twenty-one billion, one hundred twenty-one million, one hundred fourteen thousand, forty-five".

Divisors: 1 5 5689 28445 4258081 21290405 24224222809 121121114045