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121056913612801 = 4332178491283353
BaseRepresentation
bin11011100001100111000010…
…010101010110000000000001
3120212121221001110012112212201
4123201213002111112000001
5111331344024341102201
61105244440043353201
734333034112520405
oct3341470225260001
9525557043175781
10121056913612801
1135632a48872841
12116b1783522801
1352718058b277a
1421c72860b7105
15dede7c6b4801
hex6e19c2556001

121056913612801 has 8 divisors (see below), whose sum is σ = 121337142302600. Its totient is φ = 120776687926272.

The previous prime is 121056913612793. The next prime is 121056913612837. The reversal of 121056913612801 is 108216319650121.

It can be written as a sum of positive squares in 4 ways, for example, as 174606979600 + 120882306633201 = 417860^2 + 10994649^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 121056913612801 - 23 = 121056913612793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121056913616801) 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, 93686941 + ... + 94970293.

It is an arithmetic number, because the mean of its divisors is an integer number (15167142787825).

Almost surely, 2121056913612801 is an apocalyptic number.

It is an amenable number.

121056913612801 is a deficient number, since it is larger than the sum of its proper divisors (280228689799).

121056913612801 is a wasteful number, since it uses less digits than its factorization.

121056913612801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501635.

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 121056913612801 in words is "one hundred twenty-one trillion, fifty-six billion, nine hundred thirteen million, six hundred twelve thousand, eight hundred one".

Divisors: 1 433 217849 1283353 94328617 555691849 279577167697 121056913612801