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8412940857049 = 23454832
BaseRepresentation
bin111101001101100101001…
…0110011110111011011001
31002210021021022110102102221
41322123022112132323121
52100314200324411144
625520503543424041
71525546342250401
oct172331226367331
932707238412387
108412940857049
1127539a9875013
12b3a598a55021
1349044c297361
1421128d3b3801
15e8c8e9cbd84
hex7a6ca59eed9

8412940857049 has 15 divisors (see below), whose sum is σ = 8796950297653. Its totient is φ = 8045693163244.

The previous prime is 8412940857019. The next prime is 8412940857053. The reversal of 8412940857049 is 9407580492148.

The square root of 8412940857049 is 2900507.

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

It is not a de Polignac number, because 8412940857049 - 237 = 8275501903577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8412940857019) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1534365462 + ... + 1534370944.

Almost surely, 28412940857049 is an apocalyptic number.

8412940857049 is the 2900507-th square number.

8412940857049 is the 1450254-th centered octagonal number.

It is an amenable number.

8412940857049 is a deficient number, since it is larger than the sum of its proper divisors (384009440604).

8412940857049 is an frugal number, since it uses more digits than its factorization.

8412940857049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11058 (or 5506 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 61.

The spelling of 8412940857049 in words is "eight trillion, four hundred twelve billion, nine hundred forty million, eight hundred fifty-seven thousand, forty-nine".

Divisors: 1 23 529 5483 12167 126109 279841 2900507 30063289 66711661 691455647 1534368203 15903479881 365780037263 8412940857049