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121024140244025 = 524840965609761
BaseRepresentation
bin11011100001001000100000…
…111000110111010000111001
3120212111210110102022220202112
4123201020200320313100321
5111330324414400302100
61105221420020342105
734330464005501324
oct3341104070672071
9525453412286675
10121024140244025
11356200600907a7
12116a7357844935
13526b6b1a85c75
1421c58575bb7bb
15ded1b0361b35
hex6e1220e37439

121024140244025 has 6 divisors (see below), whose sum is σ = 150069933902622. Its totient is φ = 96819312195200.

The previous prime is 121024140244013. The next prime is 121024140244039. The reversal of 121024140244025 is 520442041420121.

It can be written as a sum of positive squares in 3 ways, for example, as 14960897956624 + 106063242287401 = 3867932^2 + 10298701^2 .

It is a de Polignac number, because none of the positive numbers 2k-121024140244025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121024140243982 and 121024140244000.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2420482804856 + ... + 2420482804905.

It is an arithmetic number, because the mean of its divisors is an integer number (25011655650437).

Almost surely, 2121024140244025 is an apocalyptic number.

It is an amenable number.

121024140244025 is a deficient number, since it is larger than the sum of its proper divisors (29045793658597).

121024140244025 is an equidigital number, since it uses as much as digits as its factorization.

121024140244025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840965609771 (or 4840965609766 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

Adding to 121024140244025 its reverse (520442041420121), we get a palindrome (641466181664146).

The spelling of 121024140244025 in words is "one hundred twenty-one trillion, twenty-four billion, one hundred forty million, two hundred forty-four thousand, twenty-five".

Divisors: 1 5 25 4840965609761 24204828048805 121024140244025