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2662161656131 = 23311425586507
BaseRepresentation
bin100110101111010101001…
…100110010100101000011
3100102111111121211012221201
4212233111030302211003
5322104101340444011
65354551415202031
7363222563500165
oct46572514624503
910374447735851
102662161656131
1193701a94170a
1236bb40676317
1316406b746613
1492bc6722935
15493b0243cc1
hex26bd5332943

2662161656131 has 4 divisors (see below), whose sum is σ = 2673587242872. Its totient is φ = 2650736069392.

The previous prime is 2662161656111. The next prime is 2662161656257. The reversal of 2662161656131 is 1316561612662.

It is a happy number.

2662161656131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2662161656131 - 227 = 2662027438403 is a prime.

It is a super-2 number, since 2×26621616561312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2662161656111) 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, 5712793021 + ... + 5712793486.

It is an arithmetic number, because the mean of its divisors is an integer number (668396810718).

Almost surely, 22662161656131 is an apocalyptic number.

2662161656131 is a deficient number, since it is larger than the sum of its proper divisors (11425586741).

2662161656131 is a wasteful number, since it uses less digits than its factorization.

2662161656131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11425586740.

The product of its digits is 466560, while the sum is 46.

The spelling of 2662161656131 in words is "two trillion, six hundred sixty-two billion, one hundred sixty-one million, six hundred fifty-six thousand, one hundred thirty-one".

Divisors: 1 233 11425586507 2662161656131