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121322510045 = 5112205863819
BaseRepresentation
bin111000011111101100…
…0101001011011011101
3102121011011201002012222
41300333120221123131
53441432030310140
6131422414235125
711523325214552
oct1607730513335
9377134632188
10121322510045
11474a8437530
121b61a7b5aa5
13b5961a40a9
145c2cc46a29
1532511405b5
hex1c3f6296dd

121322510045 has 8 divisors (see below), whose sum is σ = 158822195040. Its totient is φ = 88234552720.

The previous prime is 121322509993. The next prime is 121322510093. The reversal of 121322510045 is 540015223121.

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

It is not a de Polignac number, because 121322510045 - 226 = 121255401181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121322509996 and 121322510023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102931855 + ... + 1102931964.

It is an arithmetic number, because the mean of its divisors is an integer number (19852774380).

Almost surely, 2121322510045 is an apocalyptic number.

It is an amenable number.

121322510045 is a deficient number, since it is larger than the sum of its proper divisors (37499684995).

121322510045 is a wasteful number, since it uses less digits than its factorization.

121322510045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205863835.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 121322510045 its reverse (540015223121), we get a palindrome (661337733166).

The spelling of 121322510045 in words is "one hundred twenty-one billion, three hundred twenty-two million, five hundred ten thousand, forty-five".

Divisors: 1 5 11 55 2205863819 11029319095 24264502009 121322510045