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2875673199961 = 16957812
BaseRepresentation
bin101001110110001011011…
…110101100010101011001
3101011220121121110110010101
4221312023132230111121
5334103334314344321
610041022132415401
7414521601615232
oct51661336542531
911156547413111
102875673199961
11a09625609761
123a53a9177561
1317b237101a33
149d27d08c089
154ec099b3791
hex29d8b7ac559

2875673199961 has 3 divisors (see below), whose sum is σ = 2875674895743. Its totient is φ = 2875671504180.

The previous prime is 2875673199929. The next prime is 2875673199979. The reversal of 2875673199961 is 1699913765782.

The square root of 2875673199961 is 1695781.

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., 2279287692361 + 596385507600 = 1509731^2 + 772260^2 .

It is not a de Polignac number, because 2875673199961 - 25 = 2875673199929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2875673199761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 847891 + ... + 2543671.

It is an arithmetic number, because the mean of its divisors is an integer number (958558298581).

Almost surely, 22875673199961 is an apocalyptic number.

2875673199961 is the 1695781-st square number.

2875673199961 is the 847891-st centered octagonal number.

It is an amenable number.

2875673199961 is a deficient number, since it is larger than the sum of its proper divisors (1695782).

2875673199961 is an frugal number, since it uses more digits than its factorization.

2875673199961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391562 (or 1695781 counting only the distinct ones).

The product of its digits is 308629440, while the sum is 73.

The spelling of 2875673199961 in words is "two trillion, eight hundred seventy-five billion, six hundred seventy-three million, one hundred ninety-nine thousand, nine hundred sixty-one".

Divisors: 1 1695781 2875673199961