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69955075189 is a prime number
BaseRepresentation
bin100000100100110100…
…1011011110001110101
320200120021211000121201
41001021221123301311
52121231444401224
652045324012501
75024360220346
oct1011151336165
9220507730551
1069955075189
11277388a842a
1211683991131
13679b04831c
143558a800cd
151c466d9a44
hex1049a5bc75

69955075189 has 2 divisors, whose sum is σ = 69955075190. Its totient is φ = 69955075188.

The previous prime is 69955075153. The next prime is 69955075237. The reversal of 69955075189 is 98157055996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44795722500 + 25159352689 = 211650^2 + 158617^2 .

It is a cyclic number.

It is not a de Polignac number, because 69955075189 - 29 = 69955074677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69955075189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69955075109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34977537594 + 34977537595.

It is an arithmetic number, because the mean of its divisors is an integer number (34977537595).

Almost surely, 269955075189 is an apocalyptic number.

It is an amenable number.

69955075189 is a deficient number, since it is larger than the sum of its proper divisors (1).

69955075189 is an equidigital number, since it uses as much as digits as its factorization.

69955075189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618000, while the sum is 64.

The spelling of 69955075189 in words is "sixty-nine billion, nine hundred fifty-five million, seventy-five thousand, one hundred eighty-nine".