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88305757469 is a prime number
BaseRepresentation
bin101001000111101101…
…1101110110100011101
322102221011212021021222
41102033123232310131
52421322233214334
6104322254503125
76244204360646
oct1221733566435
9272834767258
1088305757469
11344a5330656
1215145504aa5
138433b104c7
1443b9cb46cd
15246c763d2e
hex148f6eed1d

88305757469 has 2 divisors, whose sum is σ = 88305757470. Its totient is φ = 88305757468.

The previous prime is 88305757447. The next prime is 88305757597. The reversal of 88305757469 is 96475750388.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84966420100 + 3339337369 = 291490^2 + 57787^2 .

It is a cyclic number.

It is not a de Polignac number, because 88305757469 - 28 = 88305757213 is a prime.

It is a super-2 number, since 2×883057574692 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88305757439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44152878734 + 44152878735.

It is an arithmetic number, because the mean of its divisors is an integer number (44152878735).

Almost surely, 288305757469 is an apocalyptic number.

It is an amenable number.

88305757469 is a deficient number, since it is larger than the sum of its proper divisors (1).

88305757469 is an equidigital number, since it uses as much as digits as its factorization.

88305757469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50803200, while the sum is 62.

The spelling of 88305757469 in words is "eighty-eight billion, three hundred five million, seven hundred fifty-seven thousand, four hundred sixty-nine".