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70525783469 is a prime number
BaseRepresentation
bin100000110101110101…
…0100000110110101101
320202001001201000012102
41001223222200312231
52123414100032334
652222112144445
75044460161031
oct1015352406655
9222031630172
1070525783469
1127a00a69a69
1211802b38125
13685c35942b
1435b07a01c1
151c7b86d67e
hex106baa0dad

70525783469 has 2 divisors, whose sum is σ = 70525783470. Its totient is φ = 70525783468.

The previous prime is 70525783451. The next prime is 70525783481. The reversal of 70525783469 is 96438752507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55902927844 + 14622855625 = 236438^2 + 120925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70525783469 is a prime.

It is a super-2 number, since 2×705257834692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70525783169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35262891734 + 35262891735.

It is an arithmetic number, because the mean of its divisors is an integer number (35262891735).

Almost surely, 270525783469 is an apocalyptic number.

It is an amenable number.

70525783469 is a deficient number, since it is larger than the sum of its proper divisors (1).

70525783469 is an equidigital number, since it uses as much as digits as its factorization.

70525783469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 70525783469 in words is "seventy billion, five hundred twenty-five million, seven hundred eighty-three thousand, four hundred sixty-nine".