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2612286690049 = 292557332
BaseRepresentation
bin100110000000111000011…
…010111001001100000001
3100020201202202021102121201
4212000320122321030001
5320244430343040144
65320022401421201
7356505620332621
oct46007032711401
910221682242551
102612286690049
11917956809483
1236234163a801
1315c450873b7a
149061485c881
1547e4184b1d4
hex260386b9301

2612286690049 has 9 divisors (see below), whose sum is σ = 2705520253033. Its totient is φ = 2522162583472.

The previous prime is 2612286690047. The next prime is 2612286690227. The reversal of 2612286690049 is 9400966822162.

The square root of 2612286690049 is 1616257.

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

It can be written as a sum of positive squares in 4 ways, for example, as 570908692225 + 2041377997824 = 755585^2 + 1428768^2 .

It is not a de Polignac number, because 2612286690049 - 21 = 2612286690047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2612286690047) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 46843587 + ... + 46899319.

Almost surely, 22612286690049 is an apocalyptic number.

2612286690049 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2612286690049 is the 1616257-th square number.

2612286690049 is the 808129-th centered octagonal number.

It is an amenable number.

2612286690049 is a deficient number, since it is larger than the sum of its proper divisors (93233562984).

2612286690049 is an frugal number, since it uses more digits than its factorization.

2612286690049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111524 (or 55762 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 2612286690049 in words is "two trillion, six hundred twelve billion, two hundred eighty-six million, six hundred ninety thousand, forty-nine".

Divisors: 1 29 841 55733 1616257 46871453 3106167289 90078851381 2612286690049