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121488884685073 = 1028911807647457
BaseRepresentation
bin11011100111111001010101…
…110100001101100100010001
3120221011020001020222200002101
4123213321111310031210101
5111410433213434410243
61110215120110520401
734406165550200563
oct3347712564154421
9527136036880071
10121488884685073
113578a168217a14
1211761439806101
1352a3477a72349
1422001443ad333
15e0a310c8354d
hex6e7e55d0d911

121488884685073 has 4 divisors (see below), whose sum is σ = 121500692342820. Its totient is φ = 121477077027328.

The previous prime is 121488884685061. The next prime is 121488884685191. The reversal of 121488884685073 is 370586488884121.

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 42862056735744 + 78626827949329 = 6546912^2 + 8867177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121488884685073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121488884684987 and 121488884685005.

It is not an unprimeable number, because it can be changed into a prime (121488884635073) 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, 5903813440 + ... + 5903834017.

It is an arithmetic number, because the mean of its divisors is an integer number (30375173085705).

Almost surely, 2121488884685073 is an apocalyptic number.

It is an amenable number.

121488884685073 is a deficient number, since it is larger than the sum of its proper divisors (11807657747).

121488884685073 is a wasteful number, since it uses less digits than its factorization.

121488884685073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11807657746.

The product of its (nonzero) digits is 660602880, while the sum is 73.

The spelling of 121488884685073 in words is "one hundred twenty-one trillion, four hundred eighty-eight billion, eight hundred eighty-four million, six hundred eighty-five thousand, seventy-three".

Divisors: 1 10289 11807647457 121488884685073