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48811169557 is a prime number
BaseRepresentation
bin101101011101010111…
…110101011100010101
311122222201211022211201
4231131113311130111
51244431124411212
634231252432501
73345405044533
oct553527653425
9148881738751
1048811169557
11197786a6157
129562918731
1347ab689567
1425108ab153
15140a313b57
hexb5d5f5715

48811169557 has 2 divisors, whose sum is σ = 48811169558. Its totient is φ = 48811169556.

The previous prime is 48811169521. The next prime is 48811169579. The reversal of 48811169557 is 75596111884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37719077796 + 11092091761 = 194214^2 + 105319^2 .

It is a cyclic number.

It is not a de Polignac number, because 48811169557 - 231 = 46663685909 is a prime.

It is the 220933-rd Hogben number.

It is a junction number, because it is equal to n+sod(n) for n = 48811169498 and 48811169507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48811166557) by changing a digit.

It is a nontrivial repunit in base 220932.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24405584778 + 24405584779.

It is an arithmetic number, because the mean of its divisors is an integer number (24405584779).

Almost surely, 248811169557 is an apocalyptic number.

It is an amenable number.

48811169557 is a deficient number, since it is larger than the sum of its proper divisors (1).

48811169557 is an equidigital number, since it uses as much as digits as its factorization.

48811169557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 55.

The spelling of 48811169557 in words is "forty-eight billion, eight hundred eleven million, one hundred sixty-nine thousand, five hundred fifty-seven".