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2692451075161 = 16408692
BaseRepresentation
bin100111001011100010100…
…101110000010001011001
3100112101200112201010121011
4213023202211300101121
5323103114433401121
65420521150413521
7365344306346251
oct47134245602131
910471615633534
102692451075161
11948953492521
123759945012a1
13166b87a73383
149445b388961
154a08448b7e1
hex272e2970459

2692451075161 has 3 divisors (see below), whose sum is σ = 2692452716031. Its totient is φ = 2692449434292.

The previous prime is 2692451075113. The next prime is 2692451075207. The reversal of 2692451075161 is 1615701542962.

The square root of 2692451075161 is 1640869.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 892399519561 + 1800051555600 = 944669^2 + 1341660^2 .

It is not a de Polignac number, because 2692451075161 - 213 = 2692451066969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2692451079161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 820435 + ... + 2461303.

It is an arithmetic number, because the mean of its divisors is an integer number (897484238677).

Almost surely, 22692451075161 is an apocalyptic number.

2692451075161 is the 1640869-th square number.

2692451075161 is the 820435-th centered octagonal number.

It is an amenable number.

2692451075161 is a deficient number, since it is larger than the sum of its proper divisors (1640870).

2692451075161 is an frugal number, since it uses more digits than its factorization.

2692451075161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281738 (or 1640869 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 49.

Multiplying 2692451075161 by its sum of digits (49), we get a square (131930102682889 = 114860832).

The spelling of 2692451075161 in words is "two trillion, six hundred ninety-two billion, four hundred fifty-one million, seventy-five thousand, one hundred sixty-one".

Divisors: 1 1640869 2692451075161