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2122051661207 = 7949154707563
BaseRepresentation
bin11110111000010100001…
…000101010110110010111
321111212101102120122112122
4132320110020222312113
5234231430211124312
64302505043410155
7306212263336022
oct36702410526627
97455342518478
102122051661207
11748a58928385
122a332698395b
1312515481334a
14749ca49c1b9
153a2ed14cb72
hex1ee1422ad97

2122051661207 has 8 divisors (see below), whose sum is σ = 2153289719040. Its totient is φ = 2090923019640.

The previous prime is 2122051661161. The next prime is 2122051661227. The reversal of 2122051661207 is 7021661502212.

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 2122051661207 - 26 = 2122051661143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122051661227) 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, 27314993 + ... + 27392570.

It is an arithmetic number, because the mean of its divisors is an integer number (269161214880).

Almost surely, 22122051661207 is an apocalyptic number.

2122051661207 is a deficient number, since it is larger than the sum of its proper divisors (31238057833).

2122051661207 is an equidigital number, since it uses as much as digits as its factorization.

2122051661207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54708133.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 2122051661207 in words is "two trillion, one hundred twenty-two billion, fifty-one million, six hundred sixty-one thousand, two hundred seven".

Divisors: 1 79 491 38789 54707563 4321897477 26861413433 2122051661207