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56126408161813 = 1123613636778861
BaseRepresentation
bin11001100001011111100101…
…00111101111101000010101
321100201122001212221202221221
430300233302213233220111
524324033340442134223
6315212041014010341
714551666500530233
oct1460576247575025
9240648055852857
1056126408161813
111697a092216460
1263658106469b1
13254190b774452
14dc0765839953
15674e9b45cb5d
hex330bf29efa15

56126408161813 has 16 divisors (see below), whose sum is σ = 64938323359872. Its totient is φ = 48005480952000.

The previous prime is 56126408161807. The next prime is 56126408161843. The reversal of 56126408161813 is 31816180462165.

It is a de Polignac number, because none of the positive numbers 2k-56126408161813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56126408161843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1818373998 + ... + 1818404863.

It is an arithmetic number, because the mean of its divisors is an integer number (4058645209992).

Almost surely, 256126408161813 is an apocalyptic number.

It is an amenable number.

56126408161813 is a deficient number, since it is larger than the sum of its proper divisors (8811915198059).

56126408161813 is a wasteful number, since it uses less digits than its factorization.

56126408161813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636778956.

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 56126408161813 in words is "fifty-six trillion, one hundred twenty-six billion, four hundred eight million, one hundred sixty-one thousand, eight hundred thirteen".

Divisors: 1 11 23 61 253 671 1403 15433 3636778861 40004567471 83645913803 221843510521 920105051833 2440278615731 5102400741983 56126408161813